Joan Llull is a Research Fellow at MOVE (Markets, Organizations and Votes in Economics), Assistant Professor at Universitat AutÃ²noma de Barcelona, and Affiliated Professor at the Barcelona Graduate School of Economics. He received his PhD in Economics from CEMFI in 2011, and he joined MOVE, Autonoma de Barcelona, and Barcelona GSE afterwards. He is also an External Fellow of the Center for Research and Analysis of Migration (CReAM) from the University College London, and a member of the INSIDE network.Prof. Llull's research focuses on analysing the causes, consequences, and implications of international and internal migrations, as well as on the analysis of family formation, household structure, and health. His research uses different state-of-the-art econometric techniques, ranging from the estimation of rich equilibrium dynamic discrete choice structural models, to the proposition of novel identification strategies combining different samples is the estimation of parameters of interest from a reduced form of an economic model.