New economic geography focuses on the impact of falling transport costs on the spatial distribution of activities. However, it disregards the role of technological innovations, which are central to modern economic growth, as well as the role of migration costs, which are a strong impediment to...

This paper shows that new economic geography models are capable of simulating the real-world tendency for urban agglomeration to the primate city. It is often observed that while regional populations were dispersed in early times, they have been increasingly concentrated into one capital region...

In this paper, we study market liberalization in an imperfectly competitive environment in the presence of price effects. For this purpose, we build a three-country model of international trade under monopolistic competition with endogenous prices and wages. The neighboring effect translates how...

We have considered a general equilibrium model with monopolistically competitive markets, in which urban centers are service suppliers to all the agricultural regions as well as to the other urban centers. We have retained the forward and backward linkages of NEG to generate the agglomeration of...

The examination of long-term Japanese data on interregional migration revealed three stylized facts of migration behavior. Based on the facts, we formulated an operational model and estimated interregional utility differentials. We found that the interregional utility differentials have been...

Our purpose is to investigate how the interplay between trade, commuting and communication costs shapes the economy at both the interregional and intra-urban levels. Specifically, we study how economic integration affects the internal structure of cities and show how decentralizing the...

The paper investigates a two-stage competition in a vertical differentiated industry, where each firm produces an arbitrary number of similar qualities and sells them to heterogeneous consumers. We show that, when unit costs of quality are increasing and quadratic, each firm has an incentive to...

Oligopoly models are usually analyzed in the context of two firms anticipating that market outcomes would be qualitatively similar in the case of three or more firms. This is not an exception in the literature on Hotelling's location-then-price competition. In this paper, we show that the main...

In this paper, we estimated the net agglomeration economies both in production side and in consumption side using Japanese city data around 1990, when interregional net migration nearly ceased. We showed that doubling city size increases that nominal wage about 10% while it decreases the real...

We show that how spatial evolution is different between the two representative models of economic geography: Krugman (1991 JPE) and Ottaviano et al. (2002 IER). We analyze the impacts of falling transport costs on the spatial distribution of economic activities and welfare for three regions...