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Comment by Robin_Hartell on Open thread, Dec. 1 - Dec. 7, 2014 · 2014-12-02T21:08:22.555Z · LW · GW

MoneyDashboard.com - links directly to my credit cards and bank accounts. I hear that the US equivalent is mint.com

Comment by Robin_Hartell on Open thread, Oct. 6 - Oct. 12, 2014 · 2014-10-06T22:07:35.372Z · LW · GW

A couple of points:

  1. You don't agree to "buy it today", you "agree to buy" it today. Both exchange of payments and assets take place in the future

  2. The price of a future isn't determined by prediction any more than the asset is. The price of a future is given explicitly by the price of the underlying, suitably adjusted for cost of carry and cost of financing

Comment by Robin_Hartell on Open Thread, April 27-May 4, 2014 · 2014-04-30T12:54:51.610Z · LW · GW

How much appetite would there be for shorter windows on the Open Threads? Having one every 4 days would have some advantages:

  • The material would be spread out more evenly through time, rather than having the majority of the posts in the first few days of a new thread
    • The start day would vary over time
Comment by Robin_Hartell on Mathematics and saving lives · 2014-04-20T07:07:21.340Z · LW · GW

Reminds me of this: http://math.stackexchange.com/questions/71874/can-i-use-my-powers-for-good