Este trabajo argumenta que la liberalización del mercado spot de la industria eléctrica chilena no es una alternativa de política recomendable pues existe un amplio potencial para ejercer poder de mercado. En particular, Endesa distorsionaría la asignación in- tertemporal del agua forzando al alza el precio spot, especialmente en períodos en que la demanda que
This paper develops a new rationale for the emergence of pay-for-performance contracts. The labor market is competitive, workers are risk averse and firms risk neutral. The paper shows that in stable environments more productive workers self-select into pay-for-performance jobs because risk is less costly to them than to their less productive counterparts which prefer fixed-salary