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Density gradient maps and conflict in Africa
On a social platform, I recently posted an animated map showing the evolution of conflict hotspots across Africa over the past two decades or so.
Sep 27, 2023
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David Ubilava
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Density gradient maps and conflict in Africa
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July 2023
Gatekeepers of the top five
Recently, John List posted this on Twitter:
Jul 2, 2023
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David Ubilava
3
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Gatekeepers of the top five
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April 2023
Autocorrelation as a forensic tool in time series analysis
I talked about the usefulness of correlations, specifically in forecasting, previously. There is more to it. This post is about some of that.
Apr 22, 2023
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David Ubilava
1
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Autocorrelation as a forensic tool in time series analysis
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The If's of El Nino
It’s that time of that year when climatologists predict the possible arrival of El Nino and everyone else says why it may be bad news for [enter a…
Apr 13, 2023
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David Ubilava
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The If's of El Nino
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March 2023
Econobelographic
Nobel Prize laureates are an extraordinary group of people.
Mar 21, 2023
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David Ubilava
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Econobelographic
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January 2023
All forecasts are wrong, but some are also inadequate
Forecasting is difficult, partly because all models are wrong (or because we are wrong about models).
Jan 28, 2023
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David Ubilava
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All forecasts are wrong, but some are also inadequate
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War in Ukraine and Disrupted Markets
This is the title of my slide deck, which I prepared for my (virtual) presentation at the 13th Annual CAES-SCAE Canadian Agri-food Policy Conference.
Jan 26, 2023
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David Ubilava
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War in Ukraine and Disrupted Markets
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Is more information better for forecast accuracy? It depends!
The more data we have the more accurate are our forecasts, typically.
Jan 11, 2023
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David Ubilava
1
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Is more information better for forecast accuracy? It depends!
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Confidence in a forecast vs accuracy of a forecast
Recently, I saw a quote by Dean Williams who, in his keynote at the Financial Analysts Federation Seminar at Rockford College on 9 August 1981, said…
Jan 4, 2023
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David Ubilava
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Confidence in a forecast vs accuracy of a forecast
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December 2022
Authors, reviewers, editors: One head, three hats.
I have now served as a co-editor of Food Policy for over four years.
Dec 23, 2022
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David Ubilava
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Authors, reviewers, editors: One head, three hats.
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Radial plots
In my recently published article in the American Journal of Agricultural Economics, in which we measure the seasonal impact of year-on-year price…
Dec 20, 2022
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David Ubilava
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Radial plots
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When correlation is more than just that: Bird is a word
“The future will be the child of the past and the present, even if a rebellious child.“ This quote belongs to George Crumb—an American composer of…
Dec 14, 2022
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David Ubilava
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When correlation is more than just that: Bird is a word
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