Uma cartelização de sucesso exige que:

Item 2 - os seus membros tenham acesso à mesma tecnologia.

Em relação à teoria de mercado, assinalar se a assertiva abaixo é verdadeira ou falsa:

Item 3 - Se tivermos um duopólio de firmas com tecnologias descritas na parte (1) e com conjecturas de Cournot, então o preço de equilíbrio em tal duopólio é R$ 9.

No que se refere ao equilíbrio de trocas:

Item 0 - Numa economia com apenas dois bens, se a certo preço a demanda for igual a oferta no mercado de X o equilíbrio estará garantido no mercado de Y.

Com relação a um estimador !$ \theta^{\nexists} !$ do parâmetro populacional !$ \theta !$, pode-se afirmar que:

Item 0 - !$ \theta^{\nexists} !$ é dito consistente quando seu valor esperado é igual a !$ \theta !$, mesmo para amostras de tamanho pequeno.

Avalie se a assertiva abaixo é falsa ou verdade:

Item 1 - Uma firma em concorrência perfeita de longo prazo opera num nível de produção que tem elasticidade de custo total maior do que um.

O sistema de taxas múltiplas de câmbio, instituído em 1953 pela Instrução 70 da SUMOC e em vigor até meados de 1957:

Item 0 - substituiu um sistema de mercado livre de câmbio em vigor desde o final da Segunda Guerra Mundial;

O crescimento expressivo da indústria brasileira, na segunda metade das década dos cinqüenta, deveu-se, em grande parte, à política desenvolvimentista então implementada — consubstanciada no Plano de Metas do Governo Kubitschek. Em relação a esse período, pode-se afirmar que:

Item 4 - o Plano de Metas foi o primeiro plano consistente de política industrial implementado no País.

Part III.

Macroeconomics and Small Developing Economies: A Policy-Maker’s Perspective. (Section 5, External Debt ) PP. 111-112 By DeLisle Worrell.

In Economics in a Changing World. Edited by Edmar L. Bacha

Issues of major concern in the macroeconomic literature on external debt are the optimal level of debt and the risk of debt repudiation. The optimum rate of debt accumulation is determined by the growth rate and the real interest rate. The faster the growth rate of a competitive economy the greater is its capacity to service external debt. The more rapidly an economy grows the more external debt it may support, for any level of the interest rate.

In the open economy the real interest rate is exogenous, determined on the international capital market. The rate of debt accumulation therefore depends on the growth rate. If the growth rate is exogenous, as it is in many models of debt accumulation, there is a maximum sustainable rate of debt accumulation. Models where growth depends on savings encourage the notion of an external debt constraint on growth, because an increase in interest rates reduces the optimal rate of external debt accumulation and therefore the resources available for growth. However, this implies that the increase in domestic finance in response to the increase in real interest rates is not sufficient to compensate for the reduction in external borrowing.

In models of endogenous growth it becomes clear that external debt accumulation is not the constraint, though real interest rates may be. The rate of growth depends on investment-promoting policies such as macroeconomic stability, trade policy, tax policy and the provision of public goods. For any rate of growth the real interest rate determines the ratio of external to domestic finance. If there is an external constraint on growth it is the real interest rate, which may reduce the level of investment, ceteris paribus.

One may assess the risk of default on external debt by comparing the cost of economic adjustment to provide surpluses for debt servicing with the costs of debt repudiation (Ghatak and Levine, 1991). These models are helpful in understanding the evolution and treatment of debt in the recent past, but they are less useful in determining future strategy because the results depend critically on parameters such as the rate of time preference of borrowers and the degree of risk aversion of lenders, which can only be guessed at.

According to the author:

Item 1 - the growth rate and the real interest rate determine the optimum rate of debt accumulation.

Uma implementação empírica do modelo de capital humano é feita com a seguinte especificação:

!$ lnY_i=\beta_0+\beta_1\cdot XPR_i+\beta_2\cdot (XPR_i)^2+\beta_3\cdot S_i+\epsilon_i !$

onde !$ Y_i !$ representa a renda do trabalho do i-ésimo indivíduo, !$ S_i !$ o número total de anos de sua escolaridade, !$ A_i !$ sua idade medida em anos, e, !$ XPR_i=A_i-S_i !$, sua experiência de trabalho, medida pela diferença entre sua idade e o total de anos de escolaridade. Finalmente, !$ \epsilon_i !$ é um distúrbio aleatório do modelo de regressão associado ao i-ésimo indivíduo de uma amostra de N indivíduos. Pode-se afirmar que:

Item 2 - mesmo em presença de heterocedasticidade na estrutura de erros, o estimador de mínimos quadrados ordinários é consistente.

Part II

Recruitment of Labour for the Mills in The Early Factory Masters - Transition of the Factory in the Midlands Textile Industry. By Stanley Chapman. Chapter 9 - pp 156-157.

One of the most difficult problems which entrepreneurs in the early cotton and worsted-spinning industry had to face was the recruitment and retention of a labour force. The problem was, in part, a consequence of the well-known reluctance of the working-classes to enter the factories, and certainly the domestic framework knitters and weavers of the region were not easily persuaded to exchange their freedom for factory discipline. The scarcity of labour was also a reflection of the general shortage in the manufacturing districts. The hosiery and lace industries were growing very rapidly, and their expansion coincided with that of the spinning industry. Wages appear to have been higher in hosiery and lace than for similar grades of workers (skilled, semi-skilled and unskilled) in the mills. In the rural areas, there was a steady drain of good workers to the towns and large manufacturing villages, where the best-paid work was to be found. The French war also aggravated the labour shortage after 1792 by drawing large numbers of men into the army.

It has already been noted that the wages paid in the spinning-mills were not sufficiently high to attract workers from regular employment in the towns. Farey points out that Derbyshire millworkers earned higher wages than farm labourers in the country and White records that, in Bakewell, 'wages were raised immediately' after Arkwright's mill began production there. Fitton and Wadsworth suggest that Arkwright and Strutt did not employ parish apprentices, and that their labour force was probably recruited in the villages within a four- or five-mile radius of the factories. This explanation is not very convincing since other evidence, overlooked by these two authors, shows that even juvenile and female labour had to be brought into Derbyshire from the main centres of the cotton industry at Manchester and Nottingham.

The author also argues that:

Item 2 - the best-paid workers were to be found in towns and manufacturing villages.