Ocena Engelovih krivulj za izdatke gospodinjstev za suhi in predelani fižol v Mehiki

Antonio AGUILAR-LOPEZ, Salvador GONZÁLEZ-ANDRADE, Aleš KUHAR

Povzetek


Suhi fižol je v Mehiki najpomembnejši cenovno ugoden vir rastlinskih beljakovin, vendar je Mehika v letih po liberalizaciji gospodarstva doživela padec indeksa samooskrbe za to proizvodno skupino. Zaradi bližajočih se sprememb v ureditvi mednarodne trgovine, ki bodo vplivale tudi na trgovanje z beljakovinsko bogatimi kmetijskimi surovinami, smo želeli ponovno oceniti pomen suhega fižola za prehransko varnost v Mehiki. V pričujočem prispevku smo analizirali zadnji člen tržne verige za suhi fižol na mehiškem trgu, potrošnika. Z uporabo podatkov o izdatkih gospodinjstev za leto 2018 smo razmerje med dohodkom in odhodki za suh in predelan fižol ugotavljali z uporabo Working-Leser-jevega sistema Engelovih krivulj. Zaradi prisotnosti gospodinjstev, ki niso imela tovrstnih stroškov, smo upoštevali dvostopenjski Heckit-ov postopek za korekcijo morebitne napake pri vzorčenju. Rezultati kažejo, da se delež proračuna za suh in predelan fižol zmanjšuje, ko se dohodek gospodinjstev povečuje. Korigirana pogojna elastičnost za suhi fižol je −0.1056. Za predelan fižol je elastičnost −0,2286. Negativni predznak potrjuje status inferiornih dobrin za obe proučevani kategoriji.

Ključne besede


poljščine; rastlinske beljakovine; suhi fižol; ekonomika; Engelove krivulje; dohodki gospodinjstev; prehranska varnost; Mehika

Celotno besedilo:

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Literatura


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DOI: http://dx.doi.org/10.14720/aas.2020.115.2.1415

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Avtorske pravice (c) 2020 Antonio AGUILAR-LOPEZ, Salvador GONZÁLEZ-ANDRADE, Aleš KUHAR

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