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I'm teaching a "data science for economists" course this semester. If you're interested in learning more about #rstats, Git(Hub), programming, databases, cloud computation, ML, etc., I'll be making all of my course material publicly available here: github.com/uo-ec607

Its economy is the largest in the world and grew at a rate of 4.1 percent last quarter, its fastest pace since 2014. bloomberg.com/graphics/2018-…

*NEW* "Commuting, Labor, and Housing Market Effects of Mass Transportation: Welfare and Identification" Summary thread below! #econtwitter Q: What are the welfare effects of Los Angeles Metro Rail? (1990-2000) Paper cseveren.github.io/files/20190130… Slides cseveren.github.io/files/201901_S… 1/n

Now published: dodgr: An R package for network flow aggregation transportfindings.org/article/6945-d…

Surprised and happy to discover it is UK Government policy to prefer open source software over alternatives. Guidance here is great: gov.uk/guidance/be-op… EU's position on open source is also strong: ec.europa.eu/info/departmen… Makes sense to collaborate on this #Brexit or not.

Very excited to check out the recent features in the stars package. Great work @edzerpebesma and company! r-spatial.org//r/2019/03/30/…

Yes, this is a no brainer from Austan Goolsbee that was proposed by the Barack Obama admin early in the first term. In many countries tax return is done by text message. Why not here? Ask Congress. Don't let tax prep firms set policy.

New York State gerrymandered a map to qualify Hudson Yards for $1.6 billion in financing meant for low-income areas—by threading it to public housing in Harlem. (Bloomberg CityLab obtained the map info through FOIA.) bit.ly/2U9uGit

Mapping Inequality High Ground Memphis We are working on it here in #Lansing, MI as well. Here is a post about a recent talk I gave on the topic: cedamichigan.org/2019/04/redlin…

Our book - rOpenSci Packages: Development, Maintenance, and Peer Review - has guidance for -#rstats package development -authors, reviewers & editors in Software Peer Review -package maintenance ropensci.github.io/dev_guide/ Cite: doi.org/10.5281/zenodo…

California's #SB50, the #MoreHomes Act has changed a bit today after merging with SB4 in the Governance & Finance Committee. Here's a flowchart explaining how different places may or may not be affected. Thanks to Liam Dillon's excellent reporting & fry for details! 1/

New SB 50 chart will help you make sense of California’s transit-housing bill sf.curbed.com/2019/5/10/1856… via @CurbedSF

That carbon taxes are progressive even when ignoring use of revenue is an important result that should be spread wide on the Twittersphere. It echoes findings in an earlier paper of mine but with newer data and better tax modeling. works.bepress.com/gilbert_metcal…

.re:focus partners’ Shalini Vajjhala writes that recent inaction on infrastructure projects stems from a funding system that incentivizes state and local governments to wait rather than to take the lead on projects. brook.gs/2EPUJGL

New WP: I link individuals' property records to many forms of political behavior, incl. speaking at city council meetings. I find individuals become more active in local politics after becoming homeowners and focus on different issues than non-homeowners. dropbox.com/s/irmptu4ddm6z…

Verifying myself: I am sboysel on Keybase.io. K1k3UjpcFE5XlZktcZUYBMAe5Dtw6zMCttQZ / keybase.io/sboysel/sigs/K…

Looking to develop a list of open source software projects that began within private entities and were publicly released at some point (e.g. React.js, TensorFlow) opendata.stackexchange.com/q/15787/7031 Any contributions or thoughts appreciated!

Matthew E. Kahn The availability of digital public goods can improve the mobility of social capital. Come check out econtwitter.net/web/home