12.07.2015 Views

(DTIS) Update, Volume 1 – Main report - Enhanced Integrated ...

(DTIS) Update, Volume 1 – Main report - Enhanced Integrated ...

(DTIS) Update, Volume 1 – Main report - Enhanced Integrated ...

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Some of the most heavily regulated products, sugar, beer, and sweet drinks, are also superior goods, withexpenditure shares that rise with household income. The case of beer and sugar is illustrated in panels (a)and (b) of Figure 4.5. At the other extreme, the case of firewood, an inferior good which is also lightlyregulated, is shown in panel (c). Intermediate cases including cooking oil, maize, and manioc are shownin panels (d), (e) and (f) respectively.Figure 4.5: Expenditure shares and household income(a) Beer(b) SugarLowess smootherLowess smootherproduct share0 .01 .02 .03 .04 .05product share0 .005 .01 .015 .0211 12 13 14Log of per capita expenditurebandwidth = .811 12 13 14Log of per capita expenditurebandwidth = .8(c) Firewood(d) Cooking oilproduct share0 .05 .1 .15 .2Lowess smootherproduct share.015 .02 .025 .03 .035Lowess smoother11 12 13 14Log of per capita expenditurebandwidth = .811 12 13 14Log of per capita expenditurebandwidth = .8(e) Maize(f) Manioc flourLowess smootherLowess smootherproduct share0 .02 .04 .06 .08 .1product share.02 .04 .06 .08 .111 12 13 14Log of per capita expenditurebandwidth = .811 12 13 14Log of per capita expenditurebandwidth = .8Source: Mission calculations, based on Burundi’s household survey.77 / 153

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!