Shocks to an economy, such as wars, famines, or the unification of two economies. often generate large one-time flows of workers across borders. What are the short-run and long-run effects on an economy of a one-time permanent increase in the stock of labor? Use a diagram to guide your arguments.

Betty contracted with scooby’s skate store to deliver a pair of skates to jake for his birthday. scooby’s owner was going on a trip and delegated the delivery of the skates to brian. brian failed to make delivery. can jake sue brian for breach of contract, as he was not a party to the original contract? explain your answer. brian was not a party to the original contract. why would a court hold him responsible for failing to make delivery? if you do not think a court would hold him responsible, explain your answer. can jake sue scooby’s skates for breach of contract? explain your answer.