# Sitemap

A list of all the posts and pages found on the site. For you robots out there is an XML version available for digesting as well.

## Miscellaneous

This is a page not in th emain menu

## Great Barrington Declaration

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I have just signed the Great Barrington Declaration.

## My unpublished COVID-19 paper is now my most cited paper

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Recently, my working paper Susceptible-Infected-Recovered (SIR) Dynamics of COVID-19 and Economic Impact has surpassed my JEBO paper in terms of citation counts, and has become my most cited paper. My COVID-19 paper is one of the very first written by an economist on this topic, and it appeared in the first issue of the working paper series Covid Economics. Although I am no longer working on this paper since the situation with COVID-19 has been changing too quickly (especially when I wrote the paper in March 2020) to keep up with, I am glad that this paper has made some impact. In fact, it was featured in VoxEU and Fortune articles.

## Berkeley banning junk food in checkout aisles is nonsense paternalism

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As a long-time California resident, I am very well aware of all those government red tapes. But the recent move of the city of Berkeley to ban placing junk food and beverages at checkout ailes is completely nonsense.

## Inequality on spectral abscissa

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Let $A, B$ be square (complex) matrices such that $|B| \le A$. Then it is well known that $\rho(B) \le \rho(|B|) \le \rho(A)$, where $\rho$ denotes the spectral radius (largest absolute value of all eigenvalues). See, for example, Theorem 8.4.5 of Horn and Johnson (2013). In my recent paper, we needed to use the spectral abscissa (largest real part of all eigenvalues) instead of the spectral radius. By analogy, we can make the following conjecture: if $A, B$ are square complex matrices such that $\mathrm{Re} b_{nn} \le a_{nn}$ for all $n$ and $|b_{nn’}| \le a_{nn’}$ for all $n \neq n’$, then is it true that $\zeta(B) \le \zeta(A)$, where $\zeta$ denotes the spectral abscissa?

## White rice and brown rice

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There is a restaurant called “The Bistro” on UCSD campus. Although I don’t like this restaurant because it’s basically a fusion American Asian place, sometimes I have to eat there when we take seminar speakers for lunch. Once I ordered some fried cod (neither quite fish and chips nor tempura). On the menu it said the dish comes with brown rice, so I asked the server to substitute white rice for brown rice. (Most Japanese people eat white rice - only those with strong opinions eat brown rice, though obviously the latter is healthier.) When the dish arrived, I was stunned that the rice, though white, was sushi rice (i.e., vinegared rice). I asked the server to bring proper white rice but she didn’t know the difference. Since then, whenever I organize the seminar lunch, I choose a different place.

## Created new website

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I have created a new website. I have been using Google Sites to create my old website. I like the classic Google Sites because it allows the user to take control of the structure by programming in html. However, the new Google Sites no longer have this feature, and since the classic Google Sites will be discontinued in 2021, I had to do something else. After a bit of Google search, I found this template, which is exactly what I wanted (ability to take full control, free, no advertisements, etc.).

## Applying to economics Ph.D. programs

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Advices on applying to economics Ph.D. programs

## Coauthors

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List of my coauthors

## Email writing tips

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Email writing tips for undergraduate students

## LaTeX

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Resources on LaTeX

## Letter of recommendation

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My policy for writing letters of recommendation

## Travel

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Places that I have visited

## Portfolio item number 1

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Short description of portfolio item number 1

## Portfolio item number 2

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Short description of portfolio item number 2

## Paper Title Number 1

Published in Journal 1, 2009

This paper is about the number 1. The number 2 is left for future work.

Recommended citation: Your Name, You. (2009). "Paper Title Number 1." Journal 1. 1(1). http://academicpages.github.io/files/paper1.pdf

## Paper Title Number 2

Published in Journal 1, 2010

This paper is about the number 2. The number 3 is left for future work.

Recommended citation: Your Name, You. (2010). "Paper Title Number 2." Journal 1. 1(2). http://academicpages.github.io/files/paper2.pdf

## Paper Title Number 3

Published in Journal 1, 2015

This paper is about the number 3. The number 4 is left for future work.

Recommended citation: Your Name, You. (2015). "Paper Title Number 3." Journal 1. 1(3). http://academicpages.github.io/files/paper3.pdf

## Talk 1 on Relevant Topic in Your Field

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This is a description of your talk, which is a markdown files that can be all markdown-ified like any other post. Yay markdown!

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## Conference Proceeding talk 3 on Relevant Topic in Your Field

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This is a description of your conference proceedings talk, note the different field in type. You can put anything in this field.

## Operations Research (Econ 172B)

This course covers some topics in operations research, such as convex analysis, nonlinear programming, and dynamic programming. I do not currently teach this course.

## Third Year Research Paper/Presentation (Econ 285/296)

This course trains third year Ph.D. students to conduct research, write papers, and make presentations.

## Intertemporal Asset Pricing Theory (Econ 272)

This course covers topics in finance theory. I do not currently teach this course.

## Financial Markets (Econ 173A)

This course covers some some institutional details on the financial markets, bond pricing (including duration analysis), optimal portfolio problem, mutual fund theorem, Capital Asset Pricing Model, and option pricing (including bounds on option prices, suboptimality of early exercise of American call options, put-call parity, and binomial option pricing).