Longform links: career capital December 17, 2015 Thursdays are all about longform links here at Abnormal Returns. You can check out last week’s links including a look at Tiger Woods’ future in golf (and life). Longform links Two important questions you need to answer about a backtesting strategy. (philosophicaleconomics.com) TweetPocketInstapaper Share buybacks pay off for executives paid on per-share metrics. (reuters.com) TweetPocketInstapaper Bundling can still work under certain circumstances. (thewaiterspad.com) TweetPocketInstapaper We are in the midst of the "Messaging Epoch." Slack is well-positioned for what comes next. (stratechery.com) TweetPocketInstapaper Is Michael Bloomberg going to wreck Bloomberg LP? (spiegel.de) TweetPocketInstapaper On the value of acquiring 'career capital.' (thewaiterspad.com) TweetPocketInstapaper The Guinness brewer who revolutionized statistics. (priceonomics.com) TweetPocketInstapaper The sad economics of Internet "fame." (fusion.net) TweetPocketInstapaper A profile of the guy who invented Auto-Tune. (priceonomics.com) TweetPocketInstapaper Highly educated women are no longer having fewer children. (voxeu.org) TweetPocketInstapaper Are counterfactuals a waste of time for historians? (aeon.co) TweetPocketInstapaper We all cheat. (farnamstreetblog.com) TweetPocketInstapaper You can support Abnormal Returns by visiting Amazon, signing up for our daily newsletter or following us on StockTwits, Yahoo Finance and Twitter.