We introduce financial constraints in a theoretical analysis of illegal immigration. Intermediaries finance the migration costs of wealth-constrained migrants, who enter temporary servitude contracts to repay the debt. These debt/labor contracts are easier to enforce in the illegal than in the...

This paper analyzes the demand and cost structure of the French market of academic journals. After merging several databases, we estimate an aggregated nested logit demand system combined simultaneously with a pricing equation, taking into account theevolution of impact factors of journals. We...