Forward-looking investments determine the resilience of firms' supply chains. Such investments confer externalities on other firms in the production network. We compare the equilibrium and optimal allocations in a general equilibrium model with an arbitrary number of vertical production tiers....

Intro -- Contents -- I. INTRODUCTION -- II. DATA -- III. ECONOMETRIC PRELIMINARIES -- IV. "INTERNATIONAL R&D SPILLOVERS" REVISITED -- V. INSTITUTIONS AND INTERNATIONAL R&D SPILLOVERS -- VI. CONCLUSIONS -- APPENDIX A: ALTERNATIVE SPECIFICATION -- APPENDIX B: DATA SOURCES AND DEFINITIONS --...