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corrected the title, improved grammar and added tags
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edit approved May 23, 2014 at 18:12
user45843
edit approved May 23, 2014 at 18:12
user45843
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Using control variablevariables in Difference in DifferneceDifference method

When random experiments isare conducted, 'baseline data' are usually used as control variables in order to increase precision.

How about control variables in Difference in Difference method? What I mean is whether baseline data(Time 1) should be used for it or just control variablevariables at that time(Time 1, Time 2) should be used.

Using control variable in Difference in Differnece method

When random experiments is conducted, 'baseline data' are usually used as control variables in order to increase precision.

How about control variables in Difference in Difference method? What I mean is whether baseline data(Time 1) should be used for it or just control variable at that time(Time 1, Time 2) should be used.

Using control variables in Difference in Difference method

When random experiments are conducted, 'baseline data' are usually used as control variables in order to increase precision.

How about control variables in Difference in Difference method? What I mean is whether baseline data(Time 1) should be used for it or just control variables at that time(Time 1, Time 2) should be used.

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Han
Han
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Using control variable in Difference in Differnece method

When random experiments is conducted, 'baseline data' are usually used as control variables in order to increase precision.

How about control variables in Difference in Difference method? What I mean is whether baseline data(Time 1) should be used for it or just control variable at that time(Time 1, Time 2) should be used.