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First, we present the OAXACA'S (1973) traditional measure of the wage discrimination. We mention the shortcomings. Then, we describe the method proposed by SHRESTHA and SAKELLARIOU (1996). The later is applied to the survey 1994 on the Swiss wage structure. A significant discrimination in favour...

Matching methods have been extensively used to evaluate economic policy. However, they are not without fault and, indeed, a selection bias may appear. In 1998, Heckman and al. (1998) have precisely characterize this bias by a decomposition in three parts which can be non parametrically...

The imputation of missing values is generally used to correct the item nonresponse of a survey. For the KOF/ETHZ-Innovation Survey 1999, this problem is managed with a multiple imputation. We give some theoretical backgrounds of the method and illustrate it by some examples. We compare our...

This paper investigates the impact of the promotional activities of the Swiss Commission of Technology and Innovation (CTI) on the innovation performance of the supported firms based on a matched-pairs analysis of 199 firms supported by the CTI in the period 2000–2002. CTI's promotional...