The standard economy-wide indices of labor quality (or human capital) largely ignore the role of unobservable worker characteristics. In this paper, we develop a methodology for identifying the contributions of both observable and unobservable worker characteristics in the presence of the incidental parameter problem. Based on data for Switzerland over the period 1991-2006, we find that a large part of growth in labor quality is caused by shifts in the distribution of unobservable worker characteristics. The overall index differs little from the standard indices, but contributions to growth attributed to education and age are corrected downwards.
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Paper provided by Swiss National Bank in its series Working Papers with number
2009-1.
Length: 22 pages Date of creation: 15 Jan 2009 Date of revision: Handle: RePEc:ris:snbwpa:2009_001
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