1) Diga se você concorda ou não com as seguintes afirmativas, justificando a sua resposta com argumentos teóricos. a) ( ) O Banco Central costuma intervir no mercado de câmbio, comprando e vendendo moeda nacional, para evitar grandes oscilações na taxa de câmbio.
b) ( ) O Banco Central pode reduzir a oferta de moeda da economia pela compra de títulos no mercado interbancário.
c) ( ) quando a taxa de câmbio está desvalorizada, como hoje no Brasil, os bens domésticos se tornam mais baratos em relação aos estrangeiros.
d) ( ) Tradicionalmente, uma estrutura básica do modelo macroeconômico é composta por quatro tipos de mercado. A chamada parte real da economia é constituída pelo mercado monetário e mercado de trabalho.
e) ( ) Caso um bem tenha sido produzido em 2011 e vendido apenas em 2012, ele contribuirá para o produto interno bruto de 2012.

The following account balances at the beginning of january were selected from the general ledger of fresh bagel manufacturing​ company: work in process inventory ​$0 raw materials inventory $ 29 comma 000 finished goods inventory $ 40 comma 900 additional​ data: 1. actual manufacturing overhead for january amounted to $ 62 comma 600. 2. total direct labor cost for january was $ 63 comma 600. 3. the predetermined manufacturing overhead rate is based on direct labor cost. the budget for the year called for $ 255 comma 000 of direct labor cost and $ 382 comma 500 of manufacturing overhead costs. 4. the only job unfinished on january 31 was job no.​ 151, for which total direct labor charges were $ 5 comma 700 ​(1 comma 000 direct labor​ hours) and total direct material charges were $ 14 comma 400. 5. cost of direct materials placed in production during january totaled $ 123 comma 300. there were no indirect material requisitions during january. 6. january 31 balance in raw materials inventory was $ 35 comma 200. 7. finished goods inventory balance on january 31 was $ 35 comma 400. what is the cost of goods manufactured for​ january

As you have noticed, the demand for flip phones has drastically reduced, and there are only a few consumer electronics companies selling them at extremely low prices. also, the current buyers of flip phones are mainly categorized under laggards. which of the following stages of the industry life cycle is the flip phone industry in currently? a. growth stage b. maturity stage c. decline stage d. commercialization stage

Russell's study compared gpa of those students who volunteered for academic study skills training and those who did not elect to take the training. he found that those who had the training also had higher gpa. with which validity threat should russell be most concerned?