rpenm

8 ms·

31.
by rpenm 9y ago
Price discrimination is when a producer charges different customers different prices for the same good. So yes, price discrimination is implicitly an arbitrage opportunity - assuming there is competition. Truly different goods don't h
32.
by rpenm 9y ago
It takes significant non-monetary motives (eg. personal relationships or cultural norms) to maintain a cartel.
33.
by rpenm 9y ago
Price discrimination doesn't work under perfect competition (see: law of one price). Insofar as it might work for Home Depot, it may be due to local monopoly (competitor is not co-located) and asymmetric information (customers assume a
34.
by rpenm 9y ago
A single buyer negotiating with multiple sellers can force prices down to cost. Whether it actually does so is a public choice problem.
35.
by rpenm 9y ago
1000W/m^2 is average daily peak irradiance. That number is useful for designing system capacity, but doesn't reflect output throughout the day.
36.
by rpenm 9y ago
Cooperation can be optimal for an infinitely repeated prisoner's dilemma depending on prisoner's time preference (discount factor).
37.
by rpenm 9y ago
It is much easier to compare companies that sell identical commodities.
38.
by rpenm 9y ago
Adding additional methods for self-driving vehicles to signal state to other road users would be helpful in this regard.
39.
by rpenm 9y ago
There are a few other characters who escaped eg. Poot, Namond and Cutty.
40.
by rpenm 9y ago
It's just a heuristic along the lines of Occam's Razor. Competent malice is less likely than incompetence, all else being equal. Normative motivations are irrelevant.
41.
by rpenm 10y ago
From the cited paper: "In summary, findings conclusively demonstrate that consumer exposures to the ten most frequently detected pesticides on EWG's “Dirty Dozen” commodity list are at negligible levels and that the EWG methodolog
42.
Virginia Tech's DIALDroid shows Android apps steal data through secret collusion(betanews.com)
3 points by rpenm 10y ago|0 comments
43.
by rpenm 10y ago
There's no such thing as an unbiased algorithm. Machines just amplify the biases of their users. Every choice reflects implicit values and assumptions. More so when you're trying to develop an objective function around the unkn
44.
by rpenm 10y ago
It's despicable behavior and bad for the future of NC state government. But it's neither fascist nor a coup. Expect court challenges.
45.
by rpenm 10y ago
The study you cite shows an opposite result. Are there independent replications that actually show the same effect? I recall an attempted replication that produced equal miscalibrations on the upper and lower ends of the distribution, sugg
46.
by rpenm 10y ago
>The fact that you can just sell patents always seemed a little bit off to me. It is a long way from a patentable idea to a marketable product. So what happens when the patent originator lacks the competencies or capital to produce at s
47.
by rpenm 10y ago
Mishima was as influenced by ultranationalism and the bushido mythos as anyone - to the point that he committed suicide during an attempt to restore the emperor. I don't think his writing counts as counterexample.
48.
by rpenm 10y ago
IR illumination would be a solution for the lights-off case.
49.
by rpenm 11y ago
0.1mm balls are unusual - 1.0mm is more typical (eg. standard BIC pens).
50.
by rpenm 11y ago
Not relevant, since the users being discussed are law enforcement.
51.
by rpenm 11y ago
Kathal kebab is fairly close to "tandoori jackfruit".
52.
by rpenm 11y ago
I can't speak for everyone in Andhra, but cooked jackfruit regularly appears at my family's meals. More commonly eaten in the village than the city, perhaps. Popular with devout or health-conscious folks as a meat substitute. My
53.
by rpenm 11y ago
Interestingly, European bees hybridized with African bees seem to be quite resistant to CCD. Makes me wonder if one of the problems afflicting American honeybees is a lack of genetic diversity.
54.
Why do most microwaves have such a terrible user interface?(timandjeni.com)
19 points by rpenm 11y ago|23 comments
55.
by rpenm 11y ago
I wouldn't be surprised if most of that flexibility in Asian cultures comes from using a squat toilet (or open defecation) everyday.
56.
by rpenm 11y ago
Journal article here: http://journals.plos.org/plosone/article?id=10.1371/journal....
57.
by rpenm 11y ago
The overbite-utensil hypothesis is interesting. But why do overbites exist in modern human societies that eat almost entirely with their hands?
58.
by rpenm 11y ago
Reactor-grade plutonium in the headwaters of the Ganges, which supplies millions of people. Probably better if it was stolen than lost.
59.
by rpenm 12y ago
Shareholder value over what time horizon? Not such an obvious objective function.
60.
by rpenm 12y ago
I hate undated blog entries.

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