Alocal government that wants to tackle unemployment in its village has started
a program by which it guarantees 100 days per year of employment to those that
enroll. with this program, the local government seeks to increase the employability of
participants, and thus its final objective is to increase the total number of employment
days per year (both within and outside the program) for those that participate.
enrollment to the program is open to the whole village, and 50% of the village
decides to join.
(a) what are the treatment (wi) and outcome (yi) variables?
(b) what would the conterfactual be? explain in words and using notation that
was introduced during lecture.
(c) could selection bias be a problem here? if yes, explain why (both in words and
mathematically).
(d) considering your argument in question (c) above, what is your prediction about
the sign of the selection bias in this case? would a naive assessment of the
observed differences under- or over-estimate the causal effect of treatment?
(e) what would have been different if the local government had offered the pro-
gram to a randomly selected 50% of the population? explain in words and mathematically.

Even before world war ii had ended, it was apparent that the allies would not remain friends in the post-war era. describe how the conflict between the superpowers manifested itself in the following region: europe.

Though most presidents have claimed affiliation with a christian church, the only roman catholic president has been a) abraham lincoln. b) john f. kennedy. c) george washington. d) franklin d. roosevelt.

According to the world bank, e. u. remittances to senegal were $1,005,728,139$1,005,728,139 in 2015. senegal's gross domestic product (gdp) was $13,779,570,750$13,779,570,750 in 2015. what percentage of senegal's 2015 gdp is represented by the remittances? round your answer to one place after the decimal. remittances as percent of gdp: %% based on the washington post article, e. u. launches $2 billion plan to keep africans from migrating, which explanation correctly explains why senegal's government would or would not implement policies to restrict illegal migration from senegal to the european union? because remittances represent such a large percentage of senegal's gdp, senegal's government faces an incentive to do nothing to stop illegal migration to the european union. because remittances are sent from senegalese workers in senegal to their family members in the european union, senegal's government faces no incentive to crack down on illegal migration. because remittances represent such a small percentage of national income, senegal's government does not find it worth its time to implement policies to prevent illegal migration. because remittances are sent from senegalese workers in senegal to their family members in the european union, senegal's government faces a large incentive to crack down on illegal migration.