Koji Yokota

For class materials and information for international students, visit the link below:

Research Interests

Macroeconomics

Search problem, matching, unemployment and business cycles.

Work in Progress

"Role of capital, labor hoarding and convex search friction"

Academic Works

"Time Discount and Convex Hiring Cost" (2012) CBC Discussion Paper, 147.
"Production Theory with Convex Labor Friction" (2009) CBC Discussion Paper, 123.
"Aggregate Properties of Stable Matching" (2005) mimeo.
"Counterclockwise Behavior around the Beveridge Curve" in Namatame et al. ed. The Complex Networks of Economic Interaction, Springer Verlag (2005)
"On the Role of Asymmetric Information in the Aggregate Matching Function" (2004) CBC Discussion Paper, 98.
"Competition between Matching Markets" (2004) CBC Discussion Paper, 97.
"Frictional Labour Market and Involuntary Unemployment" (2003) mimeo.

Presentation

2010: Kyoto Institute of Economics
2009: Far East and South Asia Meeting of Econometric Society, Biennial Pacific Rim Conference of Western Economic Association International
2006: The Institute of Statistical Research, Research Center for Mathematical Economics, Yokohama National University, Japanese Economic Association, Kyoto-Hokkaido-Otaru Joint Seminar, Kansai Institute for Social and Economic Research, Osaka University
– 2005: The Institute of Statistical Research, Osaka Prefecture University, Workshop on Economics with Heterogenous Interacting Agents (WEHIA), Chuo University, Japanese Economic Association, Otaru University of Commerce

Others

LyX layout files for Springer Verlag books.
- svmult.cls (document class for scientific contributed books): [Download] (2005/1/17, rev. 2009/9/27)
- svmono.cls (document class for scientific monograms): [Download] (2009/9/27)
Disarchive the downloaded files to $LyX (usually /usr/share/lyx or /usr/local/share/lyx etc.) for system installation, or $HOME/.lyx for personal one. Do "Reconfigure" from LyX to make it recognised after installation. The layout files are GNU General Public License.
Of cource, related LaTeX files must be fetched from Springer and installed before doing this. Do not forget to run "mktexlsr" after installing LaTeX files.
A patch to use Mathematica 5.0 on FreeBSD
If Mathematica is installed in /usr/local/Wolfram/Mathematica/5.0, copy the above file in /usr/local/Wolfram/Mathematica/5.0 and do as follows.
```
cd /usr/local/Wolfram/Mathematica/5.0
patch < mathematica.freebsd.diff
rm mathematica.freebsd.diff
```
Notes on the URSA server (access limited to the university)
Links

Contact Address

Mail: yokota@res.otaru-uc.ac.jp

Please use the following PGP public key to encrypt a mail for me. [My PGP Public Key]

pub 1024D/998C538F 2005-04-03
uid Koji Yokota (Otaru University of Commerce) <yokota@res.otaru-uc.ac.jp>
Finger print: A417 2902 38DF D096 8183 73AC FF19 F063 998C 538F