The typical identification strategy in aid effectiveness studies assumes donor motives do not influence the impact of aid on growth. We call this homogeneity assumption into question, first constructing a model in which donor motives matter and then testing the assumption empirically.

Using new and unique survey evidence on digitalisation activities and investment in climate change of non-financial firms in the EU and the US, this article documents the trend towards twin digital and green investment in the corporate landscape after the COVID-19 pandemic. We use information...