Over the last decades spatial econometric models have represented a common tool for measuring spillover effects across different geographical entities (counties, provinces, regions or nations). The aim of this paper is to investigate the issue of measuring spatial spillovers in the presence of...

This article describes sfcross and sfpanel, two new Stata commands for the estimation of cross-sectional and panel-data stochastic frontier models. sfcross extends the capabilities of the frontier command by including additional models (Greene, 2003, Journal of Productivity Analysis 19: 179–190;...

Introduction -- Part I: Data. Emergence of Patent Big Data -- Chapter 1 Patent as Big Data? -- Chapter 2 Significant Points in the History of Patents -- Chapter 3 Understanding Patent Data -- Part II. Network: Patent Network Visualization -- Chapter 4 Prelude to the Era of Patent Data...