Saturday assorted links by Tyler Cowen February 1, 2020 at 12:01 pm 1. “Avoiding the appearance of uselessness is particularly difficult for adult male royals…” 2. “Although effective teachers [in Pakistan] increase learning substantially, observed teacher characteristics account for less than 5 percent of the variation in TVA [teacher value added].” 3. “We estimate that between 1996 and 2012, a 10 percent reduction in state appropriations led to an increase in foreign enrollment of 16 percent at public research universities.” 4. Trademarking Greta. 5. How cheap would a health care public option be? 6. New rules for regulating athletic shoes.