This paper estimates the nature and magnitude of the local externalities from own industry scale, as envisioned by Marshall. Census panel data on individual plants in high-tech and machinery industries across up to 487 countries are utilized, to quantify the direct effects of local external...

This essay offers a brief history of macroeconomics, together with an evaluation of what has been learned over the past several decades. It is based on the premise that the field has evolved through the efforts of two types of macroeconomist-- those who understand the field as a type of...

"Why do some countries have growth-enhancing financial systems, while others do not? Why have some countries developed the necessary investor protection laws and contract-enforcement mechanisms to support financial institutions and markets, while others have not? This paper reviews existing...

Why do some countries have growth-enhancing financial systems, while others do not? Why have some countries developed the necessary investor protection laws and contract-enforcement mechanisms to support financial institutions and markets, while others have not? This paper reviews existing...

This paper provides a concise, selective review of research on the role of legal institutions in shaping the operation of financial systems. While a burgeoning literature finds that financial development exerts a first-order impact on economic growth, the law and finance literature seeks to...

The analysis of historical natural experiments has profoundly impacted economics research across fields. We trace the development and increasing application of the methodology, both from the perspective of economic historians and from the perspective of economists in other subdisciplines. We...

Creation of empirical knowledge in economics has taken a dramatic turn in the past few decades. One feature of the new research landscape is the nature and extent to which scholars generate data. Today, in nearly every field the experimental approach plays an increasingly crucial role in testing...

This chapter provides a selective review of some contemporary approaches to program evaluation. One motivation for our review is the recent emergence and increasing use of a particular kind of "program" in applied microeconomic research, the so-called Regression Discontinuity (RD) Design of...

Cognitive Economics is the economics of what is in people's minds. It is a vibrant area of research (much of it within Behavioral Economics, Labor Economics and the Economics of Education) that brings into play novel types of data--especially novel types of survey data. Such data highlight the...