please answer

D Question 41 1 pts Empirical studies on the effects of a higher or a lower drinking age in the US. have never compared the outcomes of individuals just above and just below their 215t birthday. 0 True 0 False D Question 42 1 pts Which of the following is a well-known consequence of reformulating some misused opioid medication such as oxycodone? O a signicant reduction in opioid abuse overall 0 reduced ER visits 0 improved birth outcomes for children 0 increase in the usage of heroin D Question 43 1 pts Which of the following could lead to higher incidences of nepotism or corruption in the economy? 0 altruism O contracting out 0 internalities 0 free riding