This note studies the criterion for identifiability in parametric models based on the minimization of the Hellinger distance and exhibits its relationship to the identifiability criterion based on the Fisher matrix. It shows that the Hellinger distance criterion serves to establish...

I produce novel evidence on worker reallocation across employers and between employment and nonemployment/unemployment for several European countries over the past two decades. I construct a dataset of monthly transition rates by developing a novel approach to measure them using cross-sectional...

The share of workers employed part-time increases substantially in economic downturns. How should this phenomenon be interpreted? One hypothesis is that part-time jobs are more prevalent in sectors that are less sensitive to the business cycle, so that recessionary changes in the sectoral...