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Luke Froeb
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Dollar strengthening against yuan
In the market for foreign exchange, the price of a dollar is appreciating relative to the Chinese yuan, nearing 7 yuan/dollar.   Either: the demand for dollars is increasing (more Chinese consumers want to buy US goods and services or invest in the US); or ...
Dollar strengthening against yuan
Dollar strengthening against yuan
managerialecon.blogspot.com
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Are we in a housing bubble?
The term "bubble" means that prices are too high.  But the question is difficult to understand unless we know what to compare them to.  We can use the ideas of Chapter 9 to measure housing prices relative to the cost of renting.  Because renters can buy, an...
Are we in a housing bubble?
Are we in a housing bubble?
managerialecon.blogspot.com
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Google measure ad effectiveness with "Ghost Ads"
PROBLEM:  How to measure Ad Effectiveness  To measure advertising effectiveness, we want to make a simple comparison, "Did showing the ads change users' behaviour, relative to not showing them?" The graph below shows how Google does this with Ghost Ads whic...
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REPOST: can I take credit for this?
Former student Ford Scudder (NJ state treasurer) must have been paying attention in class, as he  reduced the discount rates for NJ defined benefits pension system from 7.9% down to 7% .  The move is controversial as it increases the amount that NJ must set...
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Randomized trial to measure Facebook ad effectiveness
In general, selection bias results in over-estimating the effectiveness of ads because ads are shown to those most likely to buy, e.g., as advertisers employ techniques like machine learning to maximize the effectiveness of ad campaigns.  However, a  new st...
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Book recommendation: Algorithms to Live By
Good book written by Computer Scientists.  Each chapter begins by describing how algorithms solve a class of problems, like Optimal Stopping, Sorting, Caching, Scheduling, and the Multi-arm Bandit problem. Then, the authors draw advice from the algorithms t...
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Do Boys have a Comparative advantage in Math
Nice article from Alex Tabborock suggesting that the male preference for STEM majors is driven by their comparative--not absolute--advantage in math.  Here is the difference: ... consider what happens when students are told "Do what you are good at!" Loosel...
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Prisoners' dilemma video
Prisoners' dilemma video
Prisoners' dilemma video
managerialecon.blogspot.com
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My students will find this amusing
6.  Teens are protesting in-class presentations .  ““Nobody should be forced to do something that makes them uncomfortable,” says Ula, a 14-year-old in eighth grade, who, like all students quoted, asked to be referred to only by her first name.” HT:  Margin...
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Why do men take more dangerous jobs?
If, as Chapter 9 suggests, more dangerous jobs pay more to compensate workers for the added danger, then this kind of correlation offers one explanation for the wage gap between men and women.
Why do men take more dangerous jobs?
Why do men take more dangerous jobs?
managerialecon.blogspot.com
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