This paper contributes to the debate about the optimal design of tax-transfer systems. Basedon the theory of optimal taxation, combined with microsimulation and microeconometrictechniques we derive the welfare function which makes the current German tax and transfersystem for single women optimal...

Over the last decade Ecuador has experienced a strong increase in financial transfers from migrated workers, amounting to 6.4 percent of GDP and 31.5 percent of total exports of goods and services in 2005. This paper investigates how remittances via trans-national networks affect human capital...