This paper uses individual data on employment and wages to shed light on the UK's productivity puzzle. It finds that … workforce composition cannot explain the reduction in wages and hence productivity that we observe; instead, real wages have … lower capital-labour ratio. We cannot tell whether productivity is driving wages or vice versa, but understanding why wages …

immigrants' wages are the lowest of all workers due to their ineligibility for unemployment benefits and lower wage bargaining …, resulting in gains in terms of both employment and wages for natives, which does not hold for documented immigration. Stricter … effect if it targets employed workers because this leads to a risk premium in their wages. Finally, I present empirical …

impact that the enactment of various types of E-verify mandates may have on the employment and wages of these two populations … likelihood of native workers. Impacts on wages are positive for likely unauthorized women suggesting a large labor supply … reduction. For native-born workers, hourly wages also increase and provide some evidence of substitutability of unauthorized …