This paper analyses several of the cross-market effects of policies aimed at influencing outcomes in product and labour markets. Focusing on subsets of OECD countries, we look at the implications of product market competition for industry wages and overall employment, and the implications of labour market arrangements for industrial structure and innovation potential. We also look at the potential implications of regulatory reform for employment security and income inequality. We provide empirical evidence on long-run policy interactions by exploiting the cross-country and intersectoral dimensions of the data, though the analysis of employment uses also the time-series dimension. To this end, we rely on a large set of indicators of (economy-wide) labour market policies and institutions and (economy-wide, industry-specific and time-varying) product market regulations. We find that: (a) anticompetitive product market regulations have significant negative effects on non-agricultural ...