This is Paul Romer’s paper which earned him the 2018 Nobel Prize in economics. In Paul’s model, “growth is driven by technological change that arises from intentional investment decisions made by profit-maximizing agents. The distinguishing feature of the technology as an input is that it is neither a conventional good nor a public good; it is a non-rival, partially excludable good. …”
ፍትህ ለሁሉም / Justice for All