Regional and time variation of cigarette unit values and budget shares
| Variables | Unit value (per cigarette pack) | Cigarette budget share (in %) | ||
| Region | ||||
| Belgrade | Omitted | |||
| Vojvodina | −8.440*** | (0.275) | 0.008*** | (0.001) |
| West Serbia | −5.957*** | (0.268) | 0.012*** | (0.001) |
| East Serbia | −8.210*** | (0.289) | 0.020*** | (0.001) |
| Year | ||||
| 2006 | Omitted | |||
| 2007 | 6.671*** | (0.434) | 0.009*** | (0.002) |
| 2008 | 7.316*** | (0.443) | 0.007*** | (0.002) |
| 2009 | 11.344*** | (0.450) | 0.012*** | (0.002) |
| 2010 | 14.623*** | (0.459) | 0.013*** | (0.002) |
| 2011 | 17.141*** | (0.461) | 0.017*** | (0.002) |
| 2012 | 24.313*** | (0.465) | 0.016*** | (0.002) |
| 2013 | 41.209*** | (0.476) | 0.026*** | (0.002) |
| 2014 | 53.484*** | (0.439) | 0.030*** | (0.002) |
| 2015 | 51.756*** | (0.428) | 0.029*** | (0.002) |
| 2016 | 58.707*** | (0.435) | 0.036*** | (0.002) |
| 2017 | 66.463*** | (0.435) | 0.035*** | (0.002) |
| Constant | 57.382*** | (0.354) | 0.048*** | (0.001) |
| Observations | 24 357 | 24 357 | ||
| R2 | 0.717 | 0.062 | ||
Standard errors in parentheses ***p<0.01, **p<0.05, *p<0.1. Author’s calculation based on the Household Budget Survey data.