What is the relative importance of hiring and separation in driving unemployment fluctuations? This paper presents a … framework to decompose the moments of unemployment and study the respective contributions of vacancy posting, a measure of firms …’ hiring efforts, and separation. Separation accounts for about 40% of unemployment's variance, compared to 60% for vacancy …

decline in the unemployment rate which is almost three times larger than that in a model with fixed labor force. For a … percentage points, results in a fall in the unemployment rate by 0.17 and 0.05 percentage point, respectively, while the labor … effective in countries where product and labor market regulations are high, unemployment benefits are small and labor force is …

in favor of either workers or entrepreneurs, the system does not fully accomplish the transition and unemployment might …

volatility of unemployment. Using a particularly simple model of OTJS, we show that the increased search of employed workers … in an ambiguous overall effect on unemployment volatility. We show analytically and numerically that the difference … which OTJS increases unemployment volatility. We use this result to re-consider some related papers of OTJS and explain the …