This essay provides a perspective on the trend towards integrating psychology into economics. Some topics are discussed, and arguments are provided for why movement towards greater psychological realism in economics will improve mainstream economics.

Andrew Warner for generously sharing their data with us. We are particularly grateful to Ben-David, Frankel, Romer, Sachs, Warner and Romain Wacziarg for helpful e-mail exchanges. We have benefited greatly from discussions in seminars at the University of California at Berkeley,

this paper what we know about foreign trade and in what ways our understanding has improved as a result of the last 20 years of research

, scalability, and customizability. To address these issues, researchers are investigating a variety of innovative approaches. The most promising and intriguing ones are those based on the ability of moving code across the nodes of a network, exploiting the notion of mobile code. As an emerging research field

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In this paper we show that application-aware adaptation, a collaborative partnership between the operating system and applications, offers the most general and effective approach to mobile information access. We describe the design of Odyssey, a prototype implementing this approach, and show how

I propose a network/search view of international trade in differentiated products. I present evidence that supports the view that proximity and common language/colonial ties are more important for differentiated products than for products traded on organized exchanges in matching international

The potential usex of public resources and powers to improve the economic stuius of economic groups (such as industries and occupations) are analyzed to provide a scheme of the demand for regulation. The characteristics of the political process which allow relatively small groups to obtain

on consistent estimates of the input coefficients. In the second step, I identify the impact of trade on plants’ productivity in a regression framework allowing variation in productivity over time and across tradedand nontraded-goods sectors. Using plant-level panel data on Chilean manufacturers, I find

This paper shows that reciprocity has powerful implications for many economic domains. It is an important determinant in the enforcement of contracts and social norms and enhances the possibilities of collective action greatly. Reciprocity may render the provision of explicit incentive inefficient