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PRICE VS QUANTITY IN A DUOPOLY WITH TECHNOLOGICAL SPILLOVERS: A WELFARE RE-APPRAISAL 具有技术溢出的双头垄断中的价格vs数量:福利重新评估
Keio economic studies Pub Date : 2000-01-01 DOI: 10.6092/UNIBO/AMSACTA/685
L. Lambertini, A. Mantovani
{"title":"PRICE VS QUANTITY IN A DUOPOLY WITH TECHNOLOGICAL SPILLOVERS: A WELFARE RE-APPRAISAL","authors":"L. Lambertini, A. Mantovani","doi":"10.6092/UNIBO/AMSACTA/685","DOIUrl":"https://doi.org/10.6092/UNIBO/AMSACTA/685","url":null,"abstract":"We analyse the problem of the choice of the market variable in a model where firms activate RD and (ii) there exists a set of the relevant parameters where a benevolent social planner prefers quantity setting to price setting. This happens when the marginal cost of R&D activities is relatively low while technological externalities are relatively high. In this situation, the conflict between social and private preferences over the type of market behaviour disappears.","PeriodicalId":85052,"journal":{"name":"Keio economic studies","volume":"38 1","pages":"41-52"},"PeriodicalIF":0.0,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71269618","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Monopoly, Quality, and Network Externalities 垄断、质量和网络外部性
Keio economic studies Pub Date : 1998-12-01 DOI: 10.6092/UNIBO/AMSACTA/4975
L. Lambertini, Raimondello Orsini
{"title":"Monopoly, Quality, and Network Externalities","authors":"L. Lambertini, Raimondello Orsini","doi":"10.6092/UNIBO/AMSACTA/4975","DOIUrl":"https://doi.org/10.6092/UNIBO/AMSACTA/4975","url":null,"abstract":"We describe the behaviour of a monopolist supplying a vertically di¤erentiated good with network externalities. Assuming a fixed cost of quality improvements we show that the presence of network externalities enhances the incentive to expand output associated with scale economies. Although the quality distortion operated by the monopolist increases with network externalities, the outputexpansion effect is dominant, so that the welfare loss due to monopoly power shrinks as the role of network externalities in determining consumers’ satisfaction becomes more relevant.","PeriodicalId":85052,"journal":{"name":"Keio economic studies","volume":"40 1","pages":"1-16"},"PeriodicalIF":0.0,"publicationDate":"1998-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71269274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
THE INTERNATIONAL COORDINATION OF MONETARY POLICY: A GAME-THEORETIC REFORMULATION 货币政策的国际协调:博弈论的重新表述
Keio economic studies Pub Date : 1996-03-01 DOI: 10.6092/UNIBO/AMSACTA/5060
L. Lambertini
{"title":"THE INTERNATIONAL COORDINATION OF MONETARY POLICY: A GAME-THEORETIC REFORMULATION","authors":"L. Lambertini","doi":"10.6092/UNIBO/AMSACTA/5060","DOIUrl":"https://doi.org/10.6092/UNIBO/AMSACTA/5060","url":null,"abstract":"This paper reformulates the issue of the international coordination of monetary policy in the framework of an extended game with observable delay, where governments are required to set the timing of their respective actions before proceeding to the actual choice of their monetary policies. This allows to shrink signi…cantly the set of equilibria.","PeriodicalId":85052,"journal":{"name":"Keio economic studies","volume":"36 1","pages":"39-49"},"PeriodicalIF":0.0,"publicationDate":"1996-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71269970","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
A NOTE ON MODELLING ENDOGENOUS GROWTH 关于内生增长建模的说明
Keio economic studies Pub Date : 1996-01-01 DOI: 10.1007/0-387-26376-4_6
R. Sato
{"title":"A NOTE ON MODELLING ENDOGENOUS GROWTH","authors":"R. Sato","doi":"10.1007/0-387-26376-4_6","DOIUrl":"https://doi.org/10.1007/0-387-26376-4_6","url":null,"abstract":"","PeriodicalId":85052,"journal":{"name":"Keio economic studies","volume":"20 1","pages":"93-101"},"PeriodicalIF":0.0,"publicationDate":"1996-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/0-387-26376-4_6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"51354628","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Intraindustry trade under vertical product differentiation 垂直产品差异化下的行业内贸易
Keio economic studies Pub Date : 1995-10-01 DOI: 10.6092/UNIBO/AMSACTA/5080
L. Lambertini
{"title":"Intraindustry trade under vertical product differentiation","authors":"L. Lambertini","doi":"10.6092/UNIBO/AMSACTA/5080","DOIUrl":"https://doi.org/10.6092/UNIBO/AMSACTA/5080","url":null,"abstract":"The paper focuses on trade between two countries where a vertically differentiated commodityis produced by a single firm in each country, operating initially in autarkic conditions. It is assumed that the two countries have overlapping income distributions, giving thus rise, under certain conditions, to two-way trade, i.e., a proper intraindustry trade. It emerges that while consumers always benefit from trade, especially if two-way trade arises, firms may have conflicting preferences on the choice between (i) autarky and trade, as well as (ii) one-way trade and two-way trade.","PeriodicalId":85052,"journal":{"name":"Keio economic studies","volume":"34 1","pages":"51-69"},"PeriodicalIF":0.0,"publicationDate":"1995-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71269823","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 13
Foreign investment and migration: analytics and extensions of the basic model. 外商投资与移民:基本模型的分析与扩展。
Keio economic studies Pub Date : 1990-01-01
R W Jones, S T Easton
{"title":"Foreign investment and migration: analytics and extensions of the basic model.","authors":"R W Jones,&nbsp;S T Easton","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>\"This paper provides a unified approach to the basic model of international factor mobility. The use of new graphical techniques complements the algebraic exposition to underscore the persistence of the Ramaswami effect which pushes an active, home country toward a near 'buy-out' of the foreign country's internationally mobile factors of production. By generalizing the Ramaswami function, which identifies the gains associated with moving to near buy-out, we are able to explore the forces at work that mitigate such a strategy and lead to situations in which only a partial buy-out, or even no acquisition of foreign factors is optimal. These features are developed in a context in which (i) technologies differ between countries or (ii) there exists a third, immobile factor of production.\"</p>","PeriodicalId":85052,"journal":{"name":"Keio economic studies","volume":"27 1","pages":"1-20"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"22026473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Is Japan following Europe towards a society of singles? Possible impacts of the rapid increase in life expectancy on Japanese social structure--as seen by a European historical-demographer. 日本是否会步欧洲的后尘，走向单身社会?预期寿命快速增长对日本社会结构可能产生的影响——一位欧洲历史人口统计学家的观点。
Keio economic studies Pub Date : 1986-01-01
A E Imhof
{"title":"Is Japan following Europe towards a society of singles? Possible impacts of the rapid increase in life expectancy on Japanese social structure--as seen by a European historical-demographer.","authors":"A E Imhof","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":85052,"journal":{"name":"Keio economic studies","volume":"23 1","pages":"21-47"},"PeriodicalIF":0.0,"publicationDate":"1986-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"22006804","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Class differences in marriage and fertility among Tokugawa villagers in Mino province. 米诺省德川村村民婚姻和生育的阶级差异。
Keio economic studies Pub Date : 1980-01-01
A Hayami
{"title":"Class differences in marriage and fertility among Tokugawa villagers in Mino province.","authors":"A Hayami","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>\"This paper uses family reconstitution to derive indices of marriage and birth rates from observation of class differences in six villages on the Nobi plain (near Nagoya), [Japan].\" The study covers the Tokugawa period, which lasted from 1603 to 1868.</p>","PeriodicalId":85052,"journal":{"name":"Keio economic studies","volume":"17 1","pages":"1-16"},"PeriodicalIF":0.0,"publicationDate":"1980-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"22010821","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Class differences in marriage and fertility among Tokugawa villagers in Mino province. 米诺省德川村村民婚姻和生育的阶级差异。
Keio economic studies Pub Date : 1980-01-01 DOI: 10.1163/EJ.9781906876098.I-382.84
A. Hayami
{"title":"Class differences in marriage and fertility among Tokugawa villagers in Mino province.","authors":"A. Hayami","doi":"10.1163/EJ.9781906876098.I-382.84","DOIUrl":"https://doi.org/10.1163/EJ.9781906876098.I-382.84","url":null,"abstract":"\"This paper uses family reconstitution to derive indices of marriage and birth rates from observation of class differences in six villages on the Nobi plain (near Nagoya), [Japan].\" The study covers the Tokugawa period, which lasted from 1603 to 1868.","PeriodicalId":85052,"journal":{"name":"Keio economic studies","volume":"17 1 1","pages":"1-16"},"PeriodicalIF":0.0,"publicationDate":"1980-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64585328","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 35
Thank you Francisco Xavier: an essay in the use of micro-data for historical demography of Tokugawa Japan. 谢谢你弗朗西斯科·泽维尔:一篇关于在日本德川历史人口统计学中使用微观数据的文章。
Keio economic studies Pub Date : 1979-01-01
A Hayami
{"title":"Thank you Francisco Xavier: an essay in the use of micro-data for historical demography of Tokugawa Japan.","authors":"A Hayami","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":85052,"journal":{"name":"Keio economic studies","volume":"16 1-2","pages":"65-81"},"PeriodicalIF":0.0,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"22034035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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