This paper draws on employer-employee and longitudinal plant data from Mexico to investigate the impact of exports on wage premia, defined as wages above what workers would receive elsewhere in the labor market. We decompose plant-level average wages into a component reflecting skill composition and a component reflecting wage premia. Using the late-1994 peso devaluation interacted with initial export propensity as a source of exogenous changes in exports, we find that exports have a significant positive effect on wage premia, and that the effect on wage premia accounts for essentially all of the medium-term effect of exporting on plant-average wages.

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Background: The adoption of improved technologies is generally associated with better economic performance and development. Despite its desirable effects, the process of technology adoption can be quite slow and market failures and other frictions may impede adoption. Interventions in market processes may be necessary to promote the adoption of beneficial technologies. This review systematically identifies and summarizes the evidence on the effects of interventions that shape the incentives of firms to adopt new technologies. Following Foster and Rosenzweig, technology is defined as "the relationship between inputs and outputs," and technology adoption as "the use of new mappings between input and outputs and the corresponding allocations of inputs that exploit the new mappings." The review focuses on studies that include direct evidence on technology adoption, broadly defined, as an outcome. The term intervention refers broadly to sources of exogenous variation that shape firms' incentives to adopt new technologies, including public policies, interventions carried out by private institutions (such as NGOs), experimental manipulations implemented by academic researchers trying to understand technology adoption, and natural experiments.Objective: The objective of this review is to answer the following research questions: To what extent do interventions affect technology adoption in firms?2. To what extent does technology adoption affect profits, employment, productivity, and yields? 3. Are these effects heterogeneous across sectors, firm size, countries, workers' skill level, or workers' gender?Selection Criteria: To be included, papers had to meet the inclusion criteria described in detail in Section 3.1 which is grouped into four categories: (1) Participants, (2) Interventions, (3) Methodology, and (4) Outcomes.Regarding participants, our focus was on firms, and we omitted studies at the country or region level. In terms of interventions, we included studies that analyzed a source of exogenous variation in incentives for firms to adopt new technologiesThis is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.