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Theses and Reports

COE Discussion Papers [COE-F-81] The university of Tokyo, Economics
 A fallacy of wage differentials: wage ratio in distribution
   [study field: education, labor economics] (PDF, Version1.0, approx. 5000words, 730KB: fallacy_wage_differential.pdf)
  • This paper demonstrates a fallacy of wage differential between educational statuses.
  • I upload Simulation of Ratio between Averages in the archive. (Excel:en_average_ratio.xls)
COE Discussion Papers [COE-F-82] The university of Tokyo, Economics
  Do schools form human capital? Distributional divide and cohort-based analysis in Japan
   [study field: education, labor economics] (PDF, Version1.0, approx. 6600 words, 700KB: human_capital_cohort_japan.pdf)
  • This paper presents empirical wage analyses with Basic Survey on Wage Structures of Japan.

Summary of the above two papers

summary in PDF Learn fallacy of wage differentials with cohort data in 10 minutes
[study field: education, labor economics] (PDF, 140KB: wage_human_capital_10en.pdf)
  • This paper is 6-page summary of the above two papers.
  • Even if you are unfamiliar with economics and mathematics, you can see the key points in 10 minutes.
summaries in HTML
Do Schools Form Human Capital? (1)Economics of Education
Do Schools Form Human Capital? (2)Wage Differentials in Japan
  • (1)Economics of Education has flash movie of two-dimensional distribution.

Web Archive

Web Search

Custom Search through Ready2Search Examples of Search Plug-in and Link Button for Google Toolbar
  • This page gives some examples of search plug-in and link button for Google Toolbar
  • Though Index of Direct Search is written in Japanese, the listed settings might be useful.
Search in Amazon of Each Country through Lead2Amazon Setting of Amazon Search through Lead2Amazon
  • This page shows the valid combination of Lead2Amazon:English.
Result of Amazon Search through Lead2Amazon
  • This page explains common search result of Lead2Amazon.
Output of Amazon Search through Lead2Amazon
  • This page explains each output of Lead2Amazon.
Installation of Lead2Amazon to the Search Bar
  • This page explains each output of Lead2Amazon.
Search in Amazon using L2A-mobile

Excel

Making Histogram in Excel - Just Paste (en_paste_histogram.xls)
  • Just paste your data in the Excel.
  • You can choose maximum, minimum, and interval count in the histogram.
  • The output graphs are [Original samples], [Frequency Histogram], [Share Histogram], and [Cumulative Distribution]
  • The maximum value of sample size is 65518. The maximum value of interval count is 100.
Simulation of Ratio between Averages (en_average_ratio.xls)

Visual Statistics and Econometrics by Monte Carlo

  • Random numbers are regenerated with holding down [F9].
Unbiased Variance Estimate (en_variance.xls)
  • Dividing sum of squared deviation by (n-1) gives unbiased variance.
Central Limit Theorem and Pseudo-normal Random Number (en_clt_normal.xls)
  • This file shows central limit theorem and an idea of statistical test.
Regression: Analysis Toolpak Style (en_ols_data.xls)
  • This file shows behavior of regression results in each setting.

Stata

Visual Statistics and Econometrics by Monte Carlo

  • I write important comments in both Japanese and English.
  • We can assign arbitrary values in Input Part.
  • These files show the degree of bias and accuracy in each setting.
Modification of Attenuation Bias (con_mod_attenuation.do)
> [Sample Output]
  • Confirmation and modification of bias by measurement error of regressor.
Estimator Distributions of OLS and IV (ols_iv_dist.do)
> [Sample Output-1] [Sample output-2]
  • Estimator distributions of OLS and IV with given correlation [error and regressor] and [regressor and IV]
  • This file shows the risk of weak IV. For reference, Staiger and Stock(1997),
Selection Bias and Heckit (selection_heckit.do)
> [Sample Output]
  • Sample selection(e.g. self-selection) bias and Heckit.

Versatile do-file

  • I write important comments in both Japanese and English.
  • These do-files are self-running by making sample.
Calculation in Each Group (calc_each_group.do)
  • Calculation of arithmetic mean, geometric mean, and cumulative value in each group.
Two-stage Summary Table (two_summarize.do)
  • Summary table by two-dimensional group.
  • The output statistics are [non-missing, mean, s.d., min, percentile1-percentile99, max],
Ranking (ranking.do)
  • If three IDs get the highest points, the ranking of the second highest points is 4.
F test by Coefficient of Determination (Ftest_R2.do)
  • If we use many fixed effects, this might be useful.
Histogram and Export (histogram_out.do)
  • Though Stata has "histogram" command, this might be useful to export the histogram.
Correlation Matrix by ID and Round (corrlationM.do)
  • Correlation matrix and meeting count by each i and j.

MATLAB

Loading CSV: The first row contains the vector names (load_ncsv_en.m)
  • This script loads CSV using the first row as the variable name. (e.g. sample_co.txt)
  • If your data is Excel, insert the variable names in the first row and save as CSV in advance.
  • This script can load space-delimited (e.g. sample_sp.txt). In that case, delete the line head % in [% Data= dlmread(char(Datafile),' ',1,0);].
  • You'll be able to load mat-format with one line after you save once.

BibTeX and JabRef

BibTeX Management by JabRef and Jab2HTML

Now(Twitter)

Though I mainly tweet in Japanese, I appreciate replies in English.

Message Board

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