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Connections between Minimum Wage Policy and Churning

Tarih:  -

Konum:  F219

Connections between Minimum Wage Policy and Churning

 

Abstract:  Churning (employment turnover) is part and parcel of labor markets.  Every year a sizeable fraction of workers in an economy part from their old employers while a similarly sized fraction start working for a new employer.  Using data from the annual HLFS (2005-19) Polat and Ulus (2022) show that churning in the Turkish labor market has been rising.  I also examine data from the annual HLFS (2004-18) and find that average tenure has been going down, and the share of those with tenure under one year is going up.  I then explore possible connections with minimum wage (MW) policy.  MW increases may result in job losses and/or hinder job creation.  However causal evidence of adverse employment effects is weak, at best.  In this paper I take a different tack and focus on the compression in the earnings distribution which is brought about by regular MW increases.  I rely on a dif-in-dif strategy in which identification is obtained via cross-section variation in the amount of compression experienced by different groups (defined in turn by economic activity, region, human capital composition).  The compression measure I rely on is the share of earners in the “neighborhood” of the MW (MW ± 10%) among those earning between (MW – 10%) and the median. Using pooled data from the period 2004-18 I find strong evidence that compression increases the probability of having tenure under one year.  In the event analysis that tracks the coefficient on a year-by-year basis, the human capital version of the churning measure faithfully captures the positive trend in churning.  I speculate about mechanisms that link churning and regular MW increases but do not engage in formal explorations of the theoretical explanations.