Data visualization: The US - From oil importer to oil exporter?

The US is currently importing significantly less crude oil and crude oil products than it did in 2005. Now if you were listening to the Presidential debates, then you probably heard Barack Obama take credit for this improvement. But the real driver has been improvements in technology, namely fracking and horizontal drilling. The chart below disaggregates the flow of petroleum into its constituent parts.

The US is certainly importing less crude oil than seven years ago. It is also now exporting significant quantities of refined crude products. The largest contributor to this shift comes from the distillate/diesel category. A lot of this diesel is going Rotterdam and from there to the rest of Europe. The switch from importing to exporting products isn't confined to diesel though, note how almost all the black arrows in the products section are now red.

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A way to make anonymous online donations

Paying for things online usually means giving up plenty of privacy. But this needn't always be the case. Last night I donated to a local charity via their website and didn't have to give up any of my personal information. The trick for achieving a degree of online payments anonymity? Not bitcoin, Zcash, or Monero. I used a product created by old fashioned bankers: a non-reloadable prepaid debit card. (I wrote about these cards here and here ). Had I used a credit card or PayPal, all sorts of parties would have gotten access to my personal information including the site owner, the payments processor, my bank, the site owner's bank, the credit card networks, my partner, and many more. To get a good feel for how many different parties touch an online payment, check out this graphic by Rebecka Ricks, which shows how PayPal shares your information. A powerful visualization by @baricks showing how PayPal shares your data: https://t.co/vd8w8d8xn6 ht @akadiyala Due to Europe...

You call that counterfeiting? This is counterfeiting!

One of the world's most notorious cases of counterfeiting was the 1925 Portuguese banknote crisis, when Artur Virgilio Alves Reis managed to pass off 200,000 fake five-hundred escudo notes, worth around £56 million in 2016 terms. When the Bank of Portugal discovered the counterfeits in December 1925, it announced an aggressive demonetization of the five-hundred escudo note, giving citizens just twenty days to bring in old notes for redemption. By then, the damage had been done. Reis had managed to increase Portugal's supply of banknotes by 5.9%, spending the equivalent of 0.88% of Portugal's nominal GDP into circulation! (More here .) An aggressive note demonetization in the face of large-scale counterfeiting is a thoroughly justified response as it immediately puts a halt to the problem. In this context, it's worth revisiting the world's most recent attempt to combat counterfeiting with an aggressive demonetization — India PM Narendra Modi's forced recall of th...

Stock as a medium of exchange

American Depository Receipt (ADR) for Sony Corp You've heard the story before. It goes something like this. There's one unique good in this world that serves as a universal vehicle by which we conduct every one of our economic transactions. We call this good "money". Quarrels often start over what items get lumped together as money, but paper currency and deposits usually make the grade. If we want to convert the things that we've produced into desirable consumption goods (or long-term savings vehicles like stocks), we need to pass through this intervening "money" medium to get there. This of course is fiction—there never has been an item that served as a universal medium of exchange. Rather, all valuable things serve to some degree or other as a medium of exchange; or, put differently, everything is money. What follows are several examples illustrating this idea. Rather than using currency/deposits as the intervening medium to get to their desired final...

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