Monthly Archives: June 2014

Transportation

City traffic is tough to live with. Almost all major cities of the world suffer from congestion on the road. A majority of commuters in Bangalore spend around 1.5 to 2 hours everyday commuting to and from work. Any economist … Continue reading

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Hashcash

Consider the problem of email spam. Spam is any unwanted, unsolicited email that is perceived to be of no value to the receiver. A spam filter is a system designed to automatically identify and filter out spam from a user’s … Continue reading

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Potential and Effective Supply

We all know that the price of a good depends on supply and demand. Here, we will look at the notion of potential supply and effective supply, and how it affects the market price and perceived value of the supply. … Continue reading

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Long Term Gains

Consider the choice of buying a car. In this argument, car A is fuel-guzzling, but cheap, whereas car B is fuel-efficient, but costly. This is a typical situation we face, where we have to decide between short-term and long-term gains. … Continue reading

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Employee Attrition Rates

I’ve always wondered how much the employee attrition rates for various companies and industries are. Let’s define the attrition rate for a given year as the proportion of existing employees who quit during the year. My guess was around 5-10%. … Continue reading

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