The notion of solution plays a crucial role in the conceptual system of Léon Walras, the founder of General Equilibrium Theory (GET). In this paper, after introducing the two solution concepts employed by Walras in the development of his version of GET, respectively called the “theoretical”...

A firm\'s export status may improve its capacity of introducing product innovations. We explore this idea using very rich firm-level data on Italian A firm\'s export status may improve its capacity of introducing product innovations. We explore this idea using very rich firm-level data on...

This paper studies the effect of imported inputs on relative skilled labor demand. To this purpose, it uses firm-level data for 27 transition countries and propensity score matching techniques. The results show that importing inputs induces skill upgrading: according to a conservative estimate,...

We study the effects of new imported inputs on the entry of new domestic products and their characteristics. To this purpose, we construct a novel, comprehensive and extremely detailed dataset, which contains product-level information on foreign trade and domestic production for 25 EU countries...

This paper investigates the labor market effect of international migration on child work in countries of origin. We use an original cross-country survey dataset, which combines information on international migration with detailed individual-level data on child labor at age 5-14 in a wide range...

This paper studies how learning from neighboring firms affects new exporters\' performance. We develop a statistical decision model in which a firm updates its prior belief about demand in a foreign market based on several factors, including the number of neighbors currently selling there, the...

Global international migration may influence child labor through a labor market effect. We empirically investigate this issue by using an original cross-country survey dataset, which combines information on international emigration flows with detailed individual-level data on child labor at age...

Recent studies in international trade report that new exporters often start selling small amounts and cease exporting in the first year. These findings re.ect a substantial amount of uncertainty facing new exporters. In this paper we study whether export activities in the neighborhood reveal...

This paper empirically analyzes both economic and non-economic determinants of attitudes toward immigrants, within and across countries. The two individual-level survey data sets used, covering a wide range of developed and developing countries, make it possible to test for interactive effects...

Illegal immigration has been the focus of much debate in receiving countries, but little is known about what drives individual attitudes towards illegal immigrants. To study this question, we use the CCES survey, which was carried out in 2006 in the United States. We find evidence that - in...