This paper makes contributions to the study of bilateral swap lines (BSLs). First, this paper fills a BSL information gap by constructing a comprehensive database of BSLs based on publicly available information, including after the onset of the COVID-19 pandemic. Second, the paper provides the results of regression analysis exploring several empirical questions that were not covered in previous studies. The paper documents the evolution of BSLs into an important part of the Global Financial Safety Net (GFSN), with some helping to stabilize financial market during both the Global Financial Crisis (GFC) and the COVID-19 pandemic. Analysis suggests that countries on the recipient side of BSLs are more likely to sign and renew BSLs designed to alleviate balance of payments needs as their external position weakens. U.S. Federal Reserve BSLs appear to have been effective at stabilizing financial market conditions during the COVID-19 pandemic.
Advances in adaptive optics technology and applications move forward at a rapid pace. The basic idea of wavefront compensation in real-time has been around since the mid 1970s. The first widely used application of adaptive optics was for compensating atmospheric turbulence effects in astronomical imaging and laser beam propagation. While some topics have been researched and reported for years, even decades, new applications and advances in the supporting technologies occur almost daily. This book brings together 11 original chapters related to adaptive optics, written by an international group of invited authors. Topics include atmospheric turbulence characterization, astronomy with large telescopes, image post-processing, high power laser distortion compensation, adaptive optics and the human eye, wavefront sensors, and deformable mirrors.
This paper makes contributions to the study of bilateral swap lines (BSLs). First, this paper fills a BSL information gap by constructing a comprehensive database of BSLs based on publicly available information, including after the onset of the COVID-19 pandemic. Second, the paper provides the results of regression analysis exploring several empirical questions that were not covered in previous studies. The paper documents the evolution of BSLs into an important part of the Global Financial Safety Net (GFSN), with some helping to stabilize financial market during both the Global Financial Crisis (GFC) and the COVID-19 pandemic. Analysis suggests that countries on the recipient side of BSLs are more likely to sign and renew BSLs designed to alleviate balance of payments needs as their external position weakens. U.S. Federal Reserve BSLs appear to have been effective at stabilizing financial market conditions during the COVID-19 pandemic.
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