Costly Superstitious Beliefs: Experimental Evidence

Expectant parents experience a variety of emotions, including joy, anticipation as well as anxiety and fear related to the health of the fetus, the delivery and the newborn. These sources of uncertainty and stress render expectant mothers susceptible to the influence of popular beliefs. We design an experiment to evaluate the widespread Israeli belief that a baby’s room should remain unfurnished until after the baby is born. We test the impact …