WebApr 24, 2024 · First, collapse to maximum values by company and year. Then you have the individual values of red blue green. Second, concatenate the values, so that "110" is red and blue but not green, and so on. tabulate would generate all the indicators corresponding to combinations found in the data. In effect, the 3 colors and 2 possibilities permit ... WebUsing a sample of 9,633 firm-year observations covering 2,224 listed companies in China, we find that, as a firm’s performance falls further below its aspiration level, it has larger …
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WebFeb 3, 2024 · After cleaning the data, we have a final sample of 2046 firm-year observations representing 246 firms containing all variables except Tobin Q. The missing values of market share price and number of shares outstanding drop our sample to 1875 firm-year observations representing 229 firms for Tobin Q as dependent variable. WebMar 2, 2024 · Goal: I want to winsorize individual variables for different event years. That is, I want to winsorize all observations for variable var 1 (and var 2, var 3 etc.) for each event year (-5,-4,-3...+4,+5) Imagine the following data structure (pdata.frame, object of the plm package, behaves similarly to a normal data frame as far as I am aware): teamcity angular
Politically connected boards, family business groups and firm …
WebJan 17, 2024 · The number of observations per industry varies a lot, for some I have only 10, for some I have 2000. The SIC codes are with 3 digits. I now succeeded to run a logit regression with year and industry fixed effects with the code: 'Logit y x1 x2 x3 i.sic i.fyear, vice (robust)'. However now I see, in the output, that the year dummy variable only ... WebDesign/methodology/approach - We focus on the political connections of SBs and BODs separately and estimate a quadratic model based on 1,099 Indonesian listed firm-year observations. Additionally, we address endogeneity problem by using sample selection model, generalized method of moments (GMM), propensity score matching\ and lagged … WebFeb 7, 2024 · I have panel data which contains 3 columns: Firm, Year, Income. The number of observations are different for each firm. For example, Firm BBB has 20 observations while Firm AAA just has 19. teamcity apache settings