So I am going to report on some lack of progress about a #FOIA request we launched to @PHE_uk last Nov to make data available on the #Excel error that resulted in 15k #COVID19 cases to not be contact traced in a timely fashion (whatdotheyknow.com/request/region…). The response so far is ...
quite underwhelming. In the paper we reverse engineer the geographic distribution of the missing cases which is far from perfect. We find that places with higher exposure to the contact tracing error saw a notable differential increase in infections and subsequent deaths.
Naturally we would much rather prefer to work with the actual data as the measurement will be more precise. And further, it would allow for a direct measurement of infections among contacts of individuals that were traced with a delay. But @PHE_uk do not consider this is of
public concern that warrants them running this query. If they really think the error was inconsequential (which our study suggests it was NOT), @PHE_uk are sitting on the data to disprove our study. I can live with that. This is science. But not doing the analysis while sitting
on the data is grossly irresponsible. Public entities should own their errors, act transparently & in the public interest - this is what I am paying taxes for. This could really need a boost @thedalstonyears @jdportes @PeterKGeoghegan @ImranRasul3 @pmdfoster my MP: @zarahsultana

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More from @fetzert

28 Feb
So @UKHofficial did have a look at my paper on #EOHO and #COVID19 - they have gone to some lengths to try to cast doubt about my research, the methods & results (see ukhospitality.org.uk/page/SafeReope…). So here are their point-by-point lines of attack on my work and my response. Thread 🧵⬇️
Point 1: Misunderstanding the research design and aggregate data fallacy 1/
Point 2: Actually, EOHO did not increase restaurant visits that much. 2/
Read 16 tweets
24 Nov 20
Timely #ContactTracing does matter fighting #COVID19. In a new paper (➡️ bit.ly/394Ebuo) we study a bizarre #Excel error in England that caused 16k cases to NOT be contact traced. We econometrically can link this blunder to ~ 120k new cases & 1.5k deaths...🧵⬇️1/N
Studying non-pharmaceutical interventions to fight #COVID19 is HARD because we hardly ever isolate specific individual policies as often many measures are taken together (lockdowns, school closures, masks,...). For #ContractTracing we also have mostly correlational evidence...2/N
Enter the English Test&Trace system hastily built on, what appears to be a set of XLS spreadsheets giving us a consequential natural experiment. On Oct 4, PHE announced that ~ 16k #COVID19 cases were not correctly reported resulting in a large jump in reported cases.. 3/N
Read 15 tweets
30 Oct 20
Today I m sharing another paper on unintended consequences of a UK policy which makes me cringe at how my tax money is spent all the while debating #FreeSchoolMeals "Subsidizing the spread of COVID-19: Evidence from the UK’s #EOHO scheme". ➡️ bit.ly/3ed5Slo a thread🧵⬇️
The EOHO scheme was conceived to help the hard-hit restaurant businesses in the UK in the wake of 1st #COVID19 wave. The scheme cut the cost of meals & non-alcoholic drinks by up to 50% across tens of thousands of participating restaurants in the UK from 3 to 31 August 2020. 1...
The research leverages data from #HMRC’s own #EOHO restaurant finder app which was the go-to platform for people searching for EOHO restaurants in their neighbourhood, together with weekly data on new #COVID-19 infections measured at the granular MSOA level (5-10k residents) 2...
Read 12 tweets
16 Jul 20
Happy to see my new paper "Measuring the Regional Economic Costs of #Brexit: Evidence up to 2019" feature in @FinancialTimes. For interactive map ➡️ brexitcost.org, the FT article ➡️ ft.com/content/90e988…, the paper ➡️ bit.ly/2C9BOIg a short summary ⬇️ 1...
We use the synthetic control method previously used by @JohnSpringford @bornecon @MSchularick studying #Brexit-vote economic impact on the UK as a whole, just that we study regional economic output. The UK wide exercise is published in the @EJ_RES bit.ly/3j2zt2V 2...
We apply (a lot of variations) on regional quarterly GDP as well as annual district-level Gross-value added data for the UK. In total, for districts we construct a total of 100+ synthetic control estimates to assess concerns of overfitting - below plot is the case of Lewisham 3..
Read 10 tweets
8 Dec 19
I want to share a new paper. Its relevant to #GE2019. The findings are quite exemplary of the misguidedness of much of economic & social policy under the #ConservativeParty. It should be a harbinger to wary voters: there is more of the same under the Tories & with #Brexit. 1/..
The short summary: the reform to housing benefit from 2011 onwards was intended to save the public purse hundreds of millions. But quite the reverse happened: not only did it create huge amounts of misery and agony, it also ended up not saving the public much money at all. 2/..
What happened? From April 2011 onwards, local housing allowance was massively cut from covering up to the median level of rents, to only cover up to the 30th percentile of market rents. Here is a map of how this affected households in terms of expected losses per week. 3/..
Read 17 tweets
29 Nov 19
So why I think the #GE2019 is really not done yet. A short thread. The summary: I think a hung parliament is still a very likely and a desirable outcome for the UK. I first present some evidence on the former, and then my view on the desirability on the latter. #Brexit
1. Most opinion polls now point to a #Cons maj, including yesterday's @YouGov MRP. MRP is great in the tool box, but still relies on raw polling data. Here, bit.ly/2q0iSFW, I argue here that YouGov samples for BES do appear structurally different and potentially biased
2. Opinion polls are still mostly conducted at national level, ignoring constituency-level factors. My PhD student @EleAla shows that in UK, turnout tends to be systematically lower the "safer" a seat is. And this effect is increasing in the poll national lead of the incumbent..
Read 18 tweets

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