This paper yields new insights into why similar workers are paid differently by surveying a representative sample of Danish firms and linking responses to administrative data. We find that a substantial minority of firms, about 18 percent, have inaccurate beliefs about their position in the wage...

What drives differences in pay between firms? To answer this question, we build a harmonised cross-country linked employer-employee data set to analyse the role of firms in wage inequality since the 2000s in 20 OECD countries. The main finding is that, on average across countries, changes in the...

We argue that productive firms share rents with workers only in occupations where workers have individual hold-up power. We present a model of wage determination where firms produce using a novel generalization of Kremer (1993)'s O-ring production function. Workers have individual hold-up power...