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Mandates for mask use in public during the recent COVID-19 pandemic, worsened by global shortage of commercial supplies, have led to widespread use of homemade masks and mask alternatives. It is assumed that wearing such masks reduces the likelihood for an infected person to spread the disease, but many of these mask designs have not been tested in practice. We have demonstrated a simple optical measurement method to evaluate the efficacy of masks to reduce the transmission of respiratory droplets during regular speech. In proof-of-principle studies, we compared a variety of commonly available mask types and observed that some mask types approach the performance of standard surgical masks, while some mask alternatives, such as neck fleece or bandanas, offer very little protection. Our measurement setup is inexpensive and can be built and operated by non-experts, allowing for rapid evaluation of mask performance during speech, sneezing, or coughing.

An alternative is to have machines pick up the slack on productivity and share the gain with the people displaced so their work week shortens and their quality of life increases.

Alternative: create in-country employment opportunities for people BEFORE they choose to emigrate or circumstances force them to become refugees.

"The current paradigm of independent, inflation targeting central banks thus obscures the messy history of central banks as public institutions. Since their inception, monetary authorities have performed various different roles; while they served as guardians of price stability in Victorian England, they have originally served as developmental and fiscal agents for expansionary states, and have frequently continued to do so in the centuries since. Treating central bank independence as an ahistorical best practice approach is misleading, and we should recall that there have been alternatives to the current framework. As some have heralded the end of the era of central bank independence, while others have underscored the benefits of re-politicizing monetary policy, it is worth bearing this history in mind."