@TechReport{iza:izadps:dp8819,
            	author={Andini, Corrado and Andini, Monica},
            	title={A Note on Unemployment Persistence and Quantile Parameter Heterogeneity},
            	year={2015},
	month={Jan},
            	institution={Institute of Labor Economics (IZA)},
            	address={Bonn},
            	type={IZA Discussion Paper},
            	number={8819},
            	url={https://www.iza.org/index.php/publications/dp8819},
	abstract={The standard approach to the estimation of unemployment persistence assumes that quantile parameter heterogeneity does not matter. Using panel quantile autoregression techniques on state-level data for the United States (1980-2010), we suggest that it does.},
	keywords={unemployment;quantile regression;dynamic models},
            }