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Gürkaynak, Refet S; Sack, Brian; Swanson, Eric . (2005). The Sensitivity of Long-Term Interest Rates to Economic News: Evidence and Implications for Macroeconomic Models. American Economic Review, 95(1), 425–436. doi:10.1257/0002828053828446 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research