COVID-Economics Links (April 20)

What Happens When You Drink Enough Water

Tridona Bestsellers If you’re reading this: Drink a glass of water. You likely need it, as 75 percent of Americans are described as “chronically dehydrated.” While achieving a state of hydration might seem enviable and impossible, fret not because it’s doable. And the health benefits are not only encouraging, but they are also downright inspiring in the immediate short term, but especially in the long run. “Long-term hydration is the single best thing we can do to prevent chronic illness,” says Dr. Dana Cohen, an integrative medicine specialist in New York and coauthor of Quench: Beat Fatigue, Drop Weight, and Heal Your Body Through the New Science of Optimum Hydration . Though the eight-cup rule is popular, there is no one-size-fits-all number. Instead, it’s more of an individual approach. The new general rule of thumb is half your weight in ounces, according to Dr. Cohen. For example, if you weigh 120 pounds, you need to drink 60 ounces of water a day.

COVID-Economics Links (April 26)

Health versus wealth: On the distributional effects of controlling a pandemic - Jonathan Heathcote, Andrew Glover, Dirk Krueger, Víctor Ríos-Rull (VoxEU) The deflation threat from the virus will be long lasting - Gavyn Davies (FT) CBO’s Current Projections of GDP, Unemployment and Federal Deficit - Congressional Budget Office Coronavirus Projected to Trigger Worst Economic Downturn Since 1940s - WSJ Cash in the time of corona - Andreas Joseph, Christiane Kneer, Neeltje van Horen, Jumana Saleheen (VoxEU) Reweaving the social fabric after the crisis - Andrew Haldane (FT) German shops reopen but celebrations in Berlin muted - FT.com We need a better head start for the next pandemic - Mehdi Shiva (VoxEU) Forecasting recoveries is difficult: Evidence from past recessions - Zidong An, Prakash Loungani (VoxEU) Will central banks serve up fresh stimulus? - FT.com

Where did the saving glut go?

I have written before about the investment dearth that took place in advanced economies at the same time that we witnessed a global saving glut as illustrated in the chart below. In particular, the 2002-2007 expansion saw lower investment rates than any of the previous two expansions. If one thinks about a simple demand/supply framework using the saving (supply) and investment (demand) curves, this means that the investment curve for these countries must have shifted inwards at the same time that world interest rates were coming down. But what about emerging markets? Emerging markets' investment did not fall during the last 10 years, to the contrary it accelerated very fast after 2000. This is more what one would expect as a reaction to the global saving glut. The additional saving must be going somewhere (saving must equal investment in the world). As interest rates are coming down, emerging markets engage in more investment (whether this is simply a move along a downward-sloppin...

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