税收的哲学:效率和平等

工作之后,我们所切身关心的问题包括: 我们交了多少税?我们为什么要交这么多税?我们怎样才能少交税? 这篇文章里,我想要重点讨论第二个问题:我们为什么要交这么多税? 我们知道,为了维持公共机构和公共服务的运转,税收是必不可少的,“税收是我们为文明社会付出的代价”。根据社会契约的思想,每个人让渡出一部分的个人权利来组成一个政府,从而保护自己的财产等权利,税收可以视作是这让渡出的一部分权利。那么如何确定每个人应该缴纳税款的量呢?怎么样的税收制度才是有效率的? 税收的效率...

Maximum Product Subarray

Maximum Product Subarray Problem Find the contiguous subarray within an array (containing at least one number) which has the largest product. For example, given the array [2,3,-2,4], the contiguous subarray [2,3] has the largest product = 6. Reduction Transition...

Maximum Subarray

Maximum Subarray Problem Find the contiguous subarray within an array (containing at least one number) which has the largest sum. For example, given the array [-2,1,-3,4,-1,2,1,-5,4],the contiguous subarray [4,-1,2,1] has the largest sum = 6. Reduction Transition...
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