Examples of (public, not-directly-work) projects I've worked on. See my CV for examples of projects I've worked on for employers, and my blog for other short writing.
Short Writing
Losing is the value of experimentation.
Estimating quantile treatments efficiently in experiments.
Bounding long run treatment effects.
Time-limiting metrics.
Websites
samplesizer.com: The Best Sample Sizer
stpwtch.com: for knowing where the time went
Memo_er (memoer.io): better self-service data analysis.
fnsh_it (fnshit.com): for getting long jobs done
Programs and Libraries
ArticleML: A markup language for articles with math built for the web.
SLOBIL: a programming language for command-based interactive programs.
Leas: the Little Extensible Accounting System.
pushmac: a stack-based macro language.
Enable Stata-like data manipulation in R.
Papers
Measuring productivity (Identifying productivity when it is a factor of production)
Inference based on continuous linear inequalities via semi-infinite programming.
Measuring markups with production data (with Amit Gandhi and James Traina).
zlflynn@gmail.com