As raw and processed materials constitute a major share of the cost of inputs to industrial production in all developed countries and since the raw material crisis in 2009 revealed the criticality of the raw material supply worldwide, the increasingly efficient use of material resources has...

This article examines to what extent recent empirical evidence can collectively and systematically substantiate the claim that entrepreneurship has important economic value. Hence, a systematic review is provided that answers the question: What is the contribution of entrepreneurs to the economy...