Score contribution per author:
α: calibrated so average coauthorship-adjusted count equals average raw count
It is often believed that spouses wages are positively related even when other traits such as age and education are controlled. This is mainly based on the observation of two-earner couples. This paper uses the standard sample selection technique to correct for the sample censoring and to compute potential wages for nonworking women. Using data from Taiwan, it is found that after accounting for sample censoring and cross-productivity effects, there is weak evidence that the partial correlation between spouses wages can be negative. This lends first weak but direct support for