The thinking behind the work
Essays from our Present Value blog, news from the firm, and our analysts in the press.
Mapping the Results of the 2017 Primary Election
ESI Director Jonathan Tannen simulated his predictions for the outcomes of the 2017 Philadelphia Primary Election in Present Value last week. Now the…
Simulating the Court of Common Pleas Election
The 2017 Philadelphia Primary election is May 16th. In prior posts, we’ve looked into the dynamics of an often-overlooked race: judges for…
Employment in Construction: Where are the Skilled Workers?
Over the past several years the number of employers, who have indicated that they were having trouble filling positions for skilled construction…
An Apple a Day Keeps the Doctor Away
Basically everyone knows that I love apples. But anyone who really knows me knows my absolute favorite type of apple. While I…
Step By Step: A Guide on How ESI Uses CARTO
The two first posts in our Step-by-Step series demonstrated how ESI uses R for data manipulation and graphing and ESRI to map the economics and demographics of…
Yes They Can: How Philadelphia Trade Unions Can Become Major Job Creators
In the past decade, Philadelphia’s population has continued to grow, reversing over 50 years of decline from 1955–2005. The population growth has…
Mapping Banking Data
Demonstrating the Banking Industry's Affects on Communities ESI Senior Vice President Lee Huang's op-ed, How Neighborhoods Could Lose if Trump Succeeds in Rolling…
Philadelphia Housing Index: The El’s Impact on Neighborhood Premium
You may have noticed, we think a lot about the value of public transportation around here. So we paid extra attention when…
Step By Step: A Guide to How ESI Uses ESRI
The first edition of the Step-by-Step series demonstrated how ESI uses R for data manipulation and graphing. This step in the series will show you one…
Ridesharing Makes It More Important than Ever to Support Public Transit
The burgeoning ridesharing industry has led some to argue that ridesharing is a more efficient market solution to urban travel than public…
The Dimensions of Philadelphia’s Democratic Primaries
Elections can be challenging to model. Philadelphia, in a Democratic primary, has 66 wards, over 100 candidates, and thousands of issues. And wards,…
The Economy Under Trump: What to Expect?
ESI Principal and President Richard Voith recently gave a presentation for Manko Gold Katcher & Fox, an Environment and Energy Law Practice, outlining the…
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