| The main feature of a
convention--a pattern of behavior that is customary, expected, and
self-enforced--is that, out of a host of conceivable choices, only one is
actually used. This fact also explains why conventions are needed: they resolve
problems of indeterminacy in interactions that have multiple equilibria.
Indeed, from a forma[ point of view, we may define a convention as an
equilibrium that everyone expects in interactions that have more than one
equilibrium. The economic significance of conventions is that they reduce transaction costs. Imagine the inconvenience if, whenever two vehicles approached one another, the drivers had to get out and negotiate which side of the road to take. Or consider the cost of having to switch freight from one type of railroad to another whenever a journey involves both a wide-gaug A. for personal reasons regarding style. B. to stress the importance of the word. C. because the author will define it. D. for none of the above reasons. [简答题]The four types of documentary credit are payment credit, negotiation credit, acceptance credit and deferred payment credit respectively.
[简答题]
List and explain FOUR methods of selecting a sample of items to test from a population in accordance with ISA 530 （Redrafted） Audit Sampling and Other Means of Testing. （4 marks） [单项选择]If the new payment methods make it easier for consumers to pay．could they make it easier for criminals too（）
A. 如果这些新的付款方式更便于消费者付款，是否对罪犯也更方便呢 B. 如果新的购物方式更容易使消费者满意，难到对罪犯不也是如此吗 C. 如果新的购物方式更方便了顾客，不也就更容易使人犯罪吗 D. 如果新的付款办法便于人们消费，不也就更易于犯罪了吗 [多项选择]PART 1
·What are people’s main methods of communication [单项选择]
{{B}}TEXT C{{/B}} There are two main methods of organizing governments —the unitary system and the federal system. The unitary state places most power in the hands of central government officials, whereas the federal state allocates strong power to units of local government within the country. A country’s cultural and physical characteristics influence the evolution of its governmental system. In principle, the unitary government system works best in countries that have both relatively few internal cultural differences and a strong sense of national unity. Therefore, states whose boundaries coincide closely with the boundaries of nations are more likely to consider a unitary system of government. In addition, because the unitary system requires effective communications with all regions of the country, smaller states are more likely to adopt it. If the country is very large or has isolated regions, strong national control is di A. scratched B. reinforced C. reduced D. abandoned [填空题]Article Four
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