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Working Paper
Inflation, trade frictions, and productive activity in a multiple-matching model of money
This paper investigates the relationship between money growth, inflation, and productive activity in a general equilibrium model of search. The use of a multiple-matching technique, where trade frictions are captured by limited consumption variety, allows us to study price determination in a search-theoretic environment with divisible money and goods. In our basic framework, productive activity and matching in the goods market are endogenized by a time allocation decision of work and shopping effort. We find that in such an environment, a positive feedback between shopping and work effort ...
Journal Article
High inflation: causes and consequences
Using evidence from seven hyperinflationary episodes in four Latin American countries in the second half of the 1980s, John Rogers and Ping Wang examine the causes and consequences of high inflation. The article emphasizes four issues: the welfare costs of inflation and real costs of stabilization, the common features of the chronically high inflations experienced in Latin American countries, the main causes of high inflation, and the widely different outcomes of several stabilization programs. ; Rogers and Wang find that the welfare costs of even moderate periods of inflation may not be ...
Working Paper
Costly intermediation and the big push
Many existing theories of financial intermediation have difficulty explaining why financial activity can generate large real effects. This paper argues that the large real effects may reflect a multiplicity of equilibria. The multiple equilibria in this paper are generated by the dynamic interactions between the savings decisions of workers and the monopolistically competitive behavior of banks. We characterize the equilibria by showing the comparative-static responses of key aggregates to changes in the pure rate of time preference, investment uncertainty, and bank costs. We find that the ...
Journal Article
Financial development and growth
Poor performance by the financial sector can be costly for society. On the other hand, a healthy banking sector has been thought by some to contribute to the growth of the economy. Recently, though, economists have begun to analyze new elements of the linkages between the financial and real sides of the economy. ; This article provides an illustrative model that is meant to capture current thinking about the ways in which financial intermediaries affect growth. The model shows how households, firms, and financial intermediaries interact to determine equilibrium growth rates and various ...
Working Paper
Endogenous market structures and financial development
Existing theories that emphasize the significance of financial intermediation for economic development have not addressed two important empirical facts: (i) the relationship between financial and real activities depends crucially on the stage of development, and (ii) financial and industrial market structures vary widely across otherwise similar countries. To explain these observations, we develop a dynamic general equilibrium model allowing for endogenous market structures in which financial deepening spurs real activity through intermediate product broadening. We show the possibility of ...
Journal Article
Health and Economic Development from Cross-Country Perspectives
In this article, we provide a comprehensive overview of the role that health plays in economic development. We study cross-country differences in income and health and examine the underused value-of-life and life-year gain measures. In particular, we compare two value-of-life measures, one based on life expectancy and lifetime utility, and the other based on adult mortality and life insurance data. We find that the perception and receptiveness of life insurance are likely better in countries at more advanced stages of economic development. The value-of-life measure based on life insurance ...
Journal Article
Sectoral Impacts of Trade Wars
In recent years, we have witnessed rising trade protectionism with broad ranges of tariffs imposed on intermediate products. In this article, we develop an accounting framework to evaluate the sectoral impacts of the current U.S.-China trade war. We find that U.S. final demand and intermediate demand for goods produced by China decline significantly, with the largest losses occurring in the Electronic and ICT (information and communications technology) industry and the Electrical industry. We obtain sizable deadweight losses for the United States, particularly in the Electronic and ICT; ...
Working Paper
Inflation and economic activity in a multiple matching model of money
This paper investigates the relationship between money growth, inflation, and productive activity in a general equilibrium model where search frictions motivate the transactions role of money. The use of a multiple matching technique, where search frictions are captured by limited consumption variety, allows us to study price determination in a search-theoretic environment with divisible money and goods. We find that in such a setting, a positive feedback between work and shopping effort decisions create a channel by which inflation can positively influence real activity. This feature also ...