| JaLCDOI | 10.18926/OER/67707 |
|---|---|
| Title Alternative | Reproducing Self-organizing Agglomeration using Agent-based Model: ICT Establishments in Tokyo’s Special Wards |
| FullText URL | oer_056_2_041_071.pdf |
| Author | Nakamura, Ryohei| Nagamune, Takeshi| Hayashi, Syusei| |
| Abstract | As a preliminary step to conducting a self-organizing simulation of the agglomeration and dispersion of the information and communications industry, we quantify the spatial agglomeration of the information and communications industry in Japan’s major cities. Using the town and district data from the Economic Census for Economic Activity, we attempted a spatial analysis of the information and communications industry in the Tokyo Special Wards as well as in Sapporo, Sendai, Hiroshima, and Fukuoka, which have regional central functions. As a result of detecting spatial autocorrelation in small areas within each city, hotspots indicating the agglomeration of information and communications industry offi ces were found in the city center of each city. At the same time, we were able to confi rm the impact of agglomeration economies, which are the premise of the self-organizing model, and confi rmed that the information and communications industry is an industry suitable for simulation of the self-organizing model. Krugman（1996）was the fi rst to model the self-organizing model in cities and clarifi ed the emergence principle of peripheral cities, but this was limited to numerical simulations. Later, Kumar et al.（2007）used actual data to show that Krugman’s self-organizing model could be applied to predict corporate agglomeration and dispersion. In this paper, we use an agent-based model to examine whether a self-organizing model is also effective in reproducing and predicting the concentration and dispersion of the information and communications industry in Japanese cities. |
| Publication Title | Okayama Economic Review |
| Published Date | 2024-11-25 |
| Volume | volume56 |
| Issue | issue2 |
| Start Page | 41 |
| End Page | 71 |
| ISSN | 2433-4146 |
| language | Japanese |
| Copyright Holders | Copyright © 2024 岡山大学経済学会 |
| File Version | publisher |
| JaLCDOI | 10.18926/OER/67485 |
|---|---|
| Title Alternative | Firm Entry and Exit in the First Stage of Regional Vitalization: Revolving Door Economy or Creative Destruction |
| FullText URL | oer_056_1_001_028.pdf |
| Author | Nakamura, Ryohei| |
| Abstract | The growth of the regional economy needs an economic metabolism in which high-productivity firms newly enter the market, while low-productivity firms exit the market, resulting in a shift in labor and other production factors. A“ revolving door” economy is an economy in which firms that enter the market have a short existence period, withdraw and enter the market repeatedly, and new entrants do not contribute to productivity improvement. This means that if new entrants are not sufficiently innovative compared to incumbents, even if the rate of entry into business rises, they will simply be replaced by firms whose productivity level has not changed much, and this will not lead to job creation or improving productivity. A contrasting concept is the replacement of firms by Schumpeter's “creative destruction.” The high level of technology and productivity of new firms entering the market drives inefficient incumbents out of the market. Looking at the statistics, there is a tendency for both large cities to have higher business entry and exit rates, but the difference between the entry and exit rates is greater in metropolitan areas. Although it depends on the regional characteristics, location competitiveness is generally higher in metropolitan areas, and there is a tendency for the turnover rate to be high or the survival period to be short. Before and after regional revitalization, we will examine whether or not there is a departure from the revolving door economy by industry and region, using economic census and TSR （Tokyo Shoko Research） data. |
| Publication Title | Okayama Economic Review |
| Published Date | 2024-07-24 |
| Volume | volume56 |
| Issue | issue1 |
| Start Page | 1 |
| End Page | 28 |
| ISSN | 2433-4146 |
| language | Japanese |
| Copyright Holders | Copyright © 2024 岡山大学経済学会 |
| File Version | publisher |
| JaLCDOI | 10.18926/OER/66733 |
|---|---|
| Title Alternative | Analysis of Regional Multiplier of Knowledge Intensive Industries and Creative Jobs based on Economic Base Model: Benefit of Municipal Collaboration |
| FullText URL | oer_055_3_001_024.pdf |
| Author | Nakamura, Ryohei| |
| Abstract | The traditional economic base model in the field of regional science contributes to identifying regional income producing industries and labor absorption. The economic base model has some conditional assumptions while it is quite tractable. Recently, papers by Moretti and others show significant regional multiplier effects of innovative jobs. They refocused on the traditional economic base model. However, their approach has several deficiencies concerning the identification of basic/non-basic industries and ambiguity of multiplier generating mechanisms. This paper focuses on regional specialization of knowledge intensive industries and creative jobs which are the driving forces of regional development in the framework of the economic base model. The estimations of regional economic multiplier in terms of employment are carried out using two-digit employment and three-digit job classification data at local municipality level with two-period data. Using these data, I explain regional differences by degree of specialization of knowledge intensive industries and creative workers. By doing this, I propose contemporary regional economic policy. Furthermore, by comparing multiplier effects at local municipality level and regional employment area level, benefits of municipal consolidation are shown. |
| Publication Title | Okayama Economic Review |
| Published Date | 2024-03-21 |
| Volume | volume55 |
| Issue | issue3 |
| Start Page | 1 |
| End Page | 24 |
| ISSN | 2433-4146 |
| language | Japanese |
| Copyright Holders | Copyright © 2024 岡山大学経済学会 |
| File Version | publisher |
| JaLCDOI | 10.18926/OER/65684 |
|---|---|
| Title Alternative | New Agglomeration Indicators in Urban and Regional Economies |
| FullText URL | oer_055_1_035_054.pdf |
| Author | Nakamura, Ryohei| Nagamune, Takeshi| |
| Abstract | The indicators of agglomeration in urban and regional economies can be broadly classified into specialization and diversity, each of which is called the Marshal-Arrow-Romer type and the Jacobs type as external economic effects. There is also a Porter-type competitive environment indicator that advocates cluster-like agglomeration. The（modified）specialization coefficient, the Hirshman-Halfindahl index, and the entropy index are examples of indices that directly measure these factors. This paper reviews and evaluates indicators related to urban and regional economic agglomeration developed by Nakamura（2008）and Nakamura（2009）, as well as indicators directly and indirectly related to agglomeration that have been developed since then. rice field. |
| Publication Title | Okayama Economic Review |
| Published Date | 2023-07-24 |
| Volume | volume55 |
| Issue | issue1 |
| Start Page | 35 |
| End Page | 54 |
| ISSN | 2433-4146 |
| language | Japanese |
| Copyright Holders | Copyright © 2023 岡山大学経済学会 |
| File Version | publisher |
| JaLCDOI | 10.18926/OER/60003 |
|---|---|
| Title Alternative | Construction of IO Table in cities, towns, and villages: New Approach |
| FullText URL | oer_052_1_011_027.pdf |
| Author | 中村 良平| |
| Abstract | This paper proposes a new approach to construct IO Table called“ Reduced Form Approach.” There are a survey method and a non-survey method for constructing the regional input-output table. This paper proposes a hybrid approach that combines a survey method in terms of utilizing individual information and a survey method in the sense of conducting a questionnaire survey of business establishments. The most difficult part of constructing a regional input-output table is estimating the value of exports and imports. Furthermore, in an open regional economy, exports and imports have a large weight. In many of the conventional methods, the import/export rate was taken from the input-output table of the prefecture, and the import/export value was extracted as the residual of the expenditure balance. In this paper, we propose a “Reduced Form Approach” that reproduces the input-output table from the production induced value. This not only overcomes the difficulty of balance adjustment, but also realizes the visibility of simulation analysis using an input-output table. |
| Publication Title | Okayama Economic Review |
| Published Date | 2020-07-03 |
| Volume | volume52 |
| Issue | issue1 |
| Start Page | 11 |
| End Page | 27 |
| ISSN | 2433-4146 |
| language | Japanese |
| Copyright Holders | Copyright © 2020 岡山大学経済学会 |
| File Version | publisher |
| NAID | 120006864128 |
| JaLCDOI | 10.18926/OER/54158 |
|---|---|
| Title Alternative | A Circulation Analysis of Regional Industrial Structure in Niimi City, Okayama |
| FullText URL | oer_047_3_029_045.pdf |
| Author | Nakamura, Ryohei| Kobayashi, Yoshiaki| |
| Publication Title | 岡山大学経済学会雑誌 |
| Published Date | 2016-03-19 |
| Volume | volume47 |
| Issue | issue3 |
| Start Page | 29 |
| End Page | 45 |
| ISSN | 0386-3069 |
| language | Japanese |
| Copyright Holders | Copyright © 2016 岡山大学経済学会 |
| File Version | publisher |
| NAID | 120005740496 |
| JaLCDOI | 10.18926/OER/51691 |
|---|---|
| Title Alternative | Cultural policy of local government - Possibility of Creative City “Okayama” - |
| FullText URL | oer_045_2_001_024.pdf |
| Author | Tomonobu, Yukie| Nakamura, Ryohei| |
| Publication Title | 岡山大学経済学会雑誌 |
| Published Date | 2013-09-20 |
| Volume | volume45 |
| Issue | issue2 |
| Start Page | 1 |
| End Page | 24 |
| ISSN | 0386-3069 |
| language | Japanese |
| Copyright Holders | Copyright © 2013 岡山大学経済学会 |
| File Version | publisher |
| NAID | 120005326905 |
| JaLCDOI | 10.18926/OER/50369 |
|---|---|
| Title Alternative | Contributions to Regional Economies by Wooden Biomass Resource Usage |
| FullText URL | oer_045_1_019_031.pdf |
| Author | Nakamura, Ryohei| Shibata, Hiroki| |
| Publication Title | 岡山大学経済学会雑誌 |
| Published Date | 2013-06-06 |
| Volume | volume45 |
| Issue | issue1 |
| Start Page | 19 |
| End Page | 31 |
| ISSN | 0386-3069 |
| language | Japanese |
| Copyright Holders | Copyright © 2013 岡山大学経済学会 |
| File Version | publisher |
| NAID | 120005293574 |
| JaLCDOI | 10.18926/OER/49028 |
|---|---|
| Title Alternative | Regional Industrial Agglomeration and Home Market Effects: The comparison among three different specifications |
| FullText URL | oer_044_3_001_022.pdf |
| Author | Watanabe, Atsushi| Nakamura, Ryohei| |
| Abstract | The region with a large market tends to increase the number of firms. We can often see the phenomenon of expanding economic disparities between regions. Krugman described this phenomenon using theoretical model and also he defined the concept of home market effect. The home market effect means that the production activity is done over the ratio of market (demand volume) in the region itself. However, by changing the assumption such as Davis (1998), the home market effect does not exist in the theoretical model. Although various empirical studies have been tested, the home market effect has not been necessarily confirmed. In this paper, we analyze the home market effect using the three specifications. Two specifications out of the three specifications are derived from the new economic geography, the rest specification out of the three specifications is derived from international trade. In doing so, it is possible to test the home market effect from various angles, and consider the validity of home market effect. Looking at the overall empirical results, the home market effect is confirmed in a number of manufacturing industries. Also, the home market effect is always confirmed in the six heavy and chemical industries such as chemical industry. |
| Publication Title | 岡山大学経済学会雑誌 |
| Published Date | 2012-12-10 |
| Volume | volume44 |
| Issue | issue3 |
| Start Page | 1 |
| End Page | 22 |
| ISSN | 0386-3069 |
| language | Japanese |
| Copyright Holders | Copyright © 2012 岡山大学経済学会 |
| File Version | publisher |
| NAID | 120005053300 |
| JaLCDOI | 10.18926/OER/47076 |
|---|---|
| FullText URL | oer_043_2_029_044.pdf |
| Author | Xuan, Chao| Nakamura, Ryohei| |
| Abstract | This paper treats the empirical issue related to the urban productive efficiency. First, we construct a model incorporating urban inefficiency term and estimate a stochastic frontier production function at urban level. Next, we compare technical efficiency across Chinese cities during 1997-2007 by using estimated results. The urban technical inefficiency effect is found to be significant in many cities. Then, in the way of constructing the specification of the technical inefficiency in terms of various capital explanatory variables, we analyze the determinants of technical inefficiency of individual cities, and explore how the urban technical inefficiency is influenced by capital density, FDI, the domestic investment, while the impact of technical inefficiency on capital variables is investigated. From the empirical results, FDI is able to reduce effectively the technical inefficiency. Capital intensive industry would be the engine of economic growth in the future. |
| Keywords | technical inefficiency urban productivity stochastic frontier approach chinese cities |
| Publication Title | 岡山大学経済学会雑誌 |
| Published Date | 2011-09-26 |
| Volume | volume43 |
| Issue | issue2 |
| Start Page | 29 |
| End Page | 44 |
| ISSN | 0386-3069 |
| Related Url | http://www.e.okayama-u.ac.jp/gakkai/ |
| language | English |
| Copyright Holders | Copyright © 2011 岡山大学経済学会 |
| File Version | publisher |
| NAID | 40018962706 |
| JaLCDOI | 10.18926/OER/47075 |
|---|---|
| Title Alternative | Before and After the Merger of Municipalities: The Case of Okayama Prefecture |
| FullText URL | oer_043_2_001_027.pdf |
| Author | Nakamura, Ryohei| Watanabe, Takashi| |
| Abstract | This study concerns about before and after the merger of municipalities focusing on the case of Okayama Prefecture. By conducting questionnaire survey on municipalities, we examine the change of public service, tax burden, and resident consciousness. By expanding municipal areas it is becoming difficult to pick up needs of residents while some efficiency is attained by scale effects. Thus in order to overcome financial deficit and maintain public services it is quite important for all local municipalities to find out new basic industry for obtaining export money. |
| Publication Title | 岡山大学経済学会雑誌 |
| Published Date | 2011-09-26 |
| Volume | volume43 |
| Issue | issue2 |
| Start Page | 1 |
| End Page | 27 |
| ISSN | 0386-3069 |
| language | Japanese |
| Copyright Holders | Copyright © 2011 岡山大学経済学会 |
| File Version | publisher |
| NAID | 40018962705 |
| JaLCDOI | 10.18926/OER/41810 |
|---|---|
| Title Alternative | Patterns and Processes of Japanese Urban Population Change |
| FullText URL | oer_024_2_097_156.pdf |
| Author | Nakamura, Ryōhei| |
| Publication Title | 岡山大学経済学会雑誌 |
| Published Date | 1992-08-31 |
| Volume | volume24 |
| Issue | issue2 |
| Start Page | 97 |
| End Page | 156 |
| ISSN | 0386-3069 |
| language | Japanese |
| File Version | publisher |
| NAID | 120002709506 |
| JaLCDOI | 10.18926/OER/41787 |
|---|---|
| Title Alternative | An Estimation of Hedonic Cost Function for Condominiums |
| FullText URL | oer_025_4_265_280.pdf |
| Author | Nakamura, Ryohei| |
| Publication Title | 岡山大学経済学会雑誌 |
| Published Date | 1994-03-10 |
| Volume | volume25 |
| Issue | issue4 |
| Start Page | 265 |
| End Page | 280 |
| ISSN | 0386-3069 |
| language | Japanese |
| File Version | publisher |
| NAID | 110000129735 |
| JaLCDOI | 10.18926/OER/41760 |
|---|---|
| Title Alternative | A Hedonic Analysis of Office Rents in the Osaka CBD |
| FullText URL | oer_025_3_239_256.pdf |
| Author | Nakamura, Ryohei| |
| Publication Title | 岡山大学経済学会雑誌 |
| Published Date | 1994-02-25 |
| Volume | volume25 |
| Issue | issue3 |
| Start Page | 239 |
| End Page | 256 |
| ISSN | 0386-3069 |
| language | Japanese |
| File Version | publisher |
| NAID | 110000129704 |
| JaLCDOI | 10.18926/OER/41724 |
|---|---|
| Title Alternative | On the Housing Price Indices and Market Efficiency |
| FullText URL | oer_026_3-4_225_248.pdf |
| Author | Nakamura, Ryohei| |
| Publication Title | 岡山大学経済学会雑誌 |
| Published Date | 1995-03-10 |
| Volume | volume26 |
| Issue | issue3-4 |
| Start Page | 225 |
| End Page | 248 |
| ISSN | 0386-3069 |
| language | Japanese |
| File Version | publisher |
| NAID | 110000129780 |
| JaLCDOI | 10.18926/OER/41575 |
|---|---|
| Title Alternative | 'City Position of Importance in the Age of Honsyu-Shikoku Three Big Bridges : II |
| FullText URL | oer_030_4_333_388.pdf |
| Author | Nakamura, Ryohei| |
| Abstract | More than ten year ago Seto-Ohashi was constructed, last April Akashi-Kaikyo-Ohashi was completed, and this May Onomichi-Imabari route is going to be provided as the third road connecting Honsyu with Shikoku area. At the end of this century, as a result, Seto-uchi area has three main routes which would improve interregional mobility. Progress of traffic infrastructure could change city's economic position. On one side, some cities may growth by improving interregional accessibility. On the other side, however, some cities may lose their economic status due to so called 'straw effects'. This paper consists of two parts; the former part is focussed on recent regional economic changes and statistical analyses on city position of importance, the latter part is empirical investigation based on the results of questionnaire about city positions of importance. Regional recent changes mean office location and relocation as a firms' regional evaluations. In statistical analyses I propose a new indicator ofcity's relative economic importance. Questionnaire has been conducted for branch offices of major four cities in Seto-uchi area. Through questionnaire several evaluations of individual cities by corporate firms are clarified. |
| Publication Title | 岡山大学経済学会雑誌 |
| Published Date | 1999-03-10 |
| Volume | volume30 |
| Issue | issue4 |
| Start Page | 333 |
| End Page | 388 |
| ISSN | 0386-3069 |
| language | Japanese |
| File Version | publisher |
| NAID | 110000129979 |
| JaLCDOI | 10.18926/OER/41554 |
|---|---|
| Title Alternative | City Position of Importance in the Age of Honsyu-Shikoku Three Big Bridges : I |
| FullText URL | oer_030_3_217_246.pdf |
| Author | Nakamura, Ryohei| |
| Abstract | More than ten year ago Seto-Ohashi was constructed, last April Akashi-Kaikyo-Ohashi was completed, and this May Onomichi-Imabari route is going to be provided as the third road connecting Honsyu with Shikoku area. At the end of this century, as a result, Seto-uchi area has three main routes which would improve interregional mobility. Progress of traffic infrastructure could change city's economic position. On one side, some cities may grow by improving interregional accessibility. On the other side, however, some cities may lose their economic status due to so called 'straw effects'. This paper consists of two parts; the former part is focussed on recent regional economic changes and statistical analyses on city position of importance, the latter part is empirical investigation based on the results of questionnaire about city positions of importance. Regional recent changes mean office location and relocation as a firms' regional evaluations. In statistical analyses I propose a new indicator of city's relative economic importance. Questionnaire has been conducted for branch offices of major four cities in Seto-uchi area. Through questionnaire several evaluations of individual cities by corporate firms are clarified. |
| Publication Title | 岡山大学経済学会雑誌 |
| Published Date | 1999-03-10 |
| Volume | volume30 |
| Issue | issue3 |
| Start Page | 217 |
| End Page | 246 |
| ISSN | 0386-3069 |
| language | Japanese |
| File Version | publisher |
| NAID | 110000129957 |
| JaLCDOI | 10.18926/OER/41498 |
|---|---|
| Title Alternative | An Evaluation for Tenant Benefits in Public Housing: A Case of Okayama City |
| FullText URL | oer_031_3_035_064.pdf |
| Author | Nakamura, Ryohei| Morita, Manabu| |
| Abstract | In this paper we estimate the tenant benefits in public rental housing supplied by local government on the basis of the data for private housing as well as public housing. In the estimation we specify a Cobb-Douglas utility function defined by housing attributes and other goods, and present a new estimation form of Hicks equivalent variation taking into account implicit marginal prices of public housing. Our work recognizes that the unit cost of housing is different between private and public housings, which is not identified by previous studies. The proposed procedure in this paper requires the estimation of implicit marginal prices of public housing attributes and private housing attributes. We further analyze the relationship between benefits of public housing and subsidy for rent, defined as the difference between the market value of public housing and rent of public housing, and examine the distribution ofthe benefits by household characteristics. This study finds that the calculated benefits from the public housing were 10.0 percent of monthly income, and evidence that benefits are related to income. Our results provide the effectiveness of public rental housing for the lower income households. |
| Publication Title | 岡山大学経済学会雑誌 |
| Published Date | 1999-12-10 |
| Volume | volume31 |
| Issue | issue3 |
| Start Page | 35 |
| End Page | 64 |
| ISSN | 0386-3069 |
| language | Japanese |
| File Version | publisher |
| NAID | 120002695978 |
| JaLCDOI | 10.18926/OER/41471 |
|---|---|
| Title Alternative | Kibi Plateau City: Planning Process and Evaluation by Questionnaire to Residents |
| FullText URL | oer_032_3_001_051.pdf |
| Author | Nakamura, Ryohei| |
| Abstract | 'Kibi Plateau City' had been planned in 1974 and its construction started in 1981. Construction plan is divided into two intervals. The former interval of the construction plan was completed in 1993. The latter interval, however, has been freezing due to the local financial crisis of Okayama Prefecture. This paper first reviews planning process of 'Kibi Plateau City' and picks up current problems by statistical data and articles of newspapers. Secondly, questionnaire is made up and implemented to residents. Finally, according to the results of the questionnaire an evaluation of 'Kibi Plateau City' is proposed. |
| Publication Title | 岡山大学経済学会雑誌 |
| Published Date | 2000-11-20 |
| Volume | volume32 |
| Issue | issue3 |
| Start Page | 1 |
| End Page | 51 |
| ISSN | 0386-3069 |
| language | Japanese |
| File Version | publisher |
| NAID | 110000130065 |
| JaLCDOI | 10.18926/OER/40609 |
|---|---|
| Title Alternative | An Econometric Study on the Urban Population Density Functions : A Survey |
| FullText URL | oer_033_1_015_034.pdf |
| Author | Nakamura, Ryohei| Li, Jie| |
| Abstract | Since the seminal work by Clark (1951), a number of researches on urban population density have been appeared in several journals. In 1989 McDonald conducted a survey on the econometric study of urban population density functions. In the review he recommended the estimation technique pointed by Frankena (1978) and the use of Box−Cox transformation for choosing an optimal functional form. He also addressed to the model and estimation of beyond the distance−density functions such as varying parameter model. This paper begins in the second section with a choice of functional form. Sections 3 and 4 review the estimation model of suburbanization and the identification of the CBD including multi−center case. Recently more complicated population distributions are found in the real urban areas. Thus, more sophisticated models are needed to explain the real population distribution. In section 5 three estimation models ; cubic−spline, switching regression, and varying coefficient models are reviewed and in the varying coefficient model we propose theoretical foundations for the estimation of varying parameter model. In section 6 we describe data problems concerning population density estimation and estimation bias when we use census tract data. Finally, section 7 states a possible direction of the further research. |
| Publication Title | 岡山大学経済学会雑誌 |
| Published Date | 2001-06-10 |
| Volume | volume33 |
| Issue | issue1 |
| Start Page | 15 |
| End Page | 34 |
| ISSN | 0386-3069 |
| language | Japanese |
| File Version | publisher |
| NAID | 110000130084 |
