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The Palestinian Economy. Theoretical and Practical Challenges

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344<br />

Abu-Zaineh – Mataria<br />

confounding factors related to demographic <strong>and</strong> socioeconomic characteristics of users<br />

(Gakidou, Murray et al. 2000; Shi <strong>and</strong> Starfield 2000; van Doorslaer, Wagstaff et al.<br />

2000; van Doorslaer, Masseria et al. 2006). Yet, in spite of such divergence, recent<br />

empirical studies conducted in the context of developed countries continue to demonstrate<br />

persisting inequalities in health care delivery (van Doorslaer, Koolman et al. 2004).<br />

Moreover, such inequalities have been recorded in several European countries, where the<br />

majority of health care services are channelled on the basis of some “egalitarian”<br />

principles that entail health services allocation based on needs rather than abilities-to-pay<br />

(van Doorslaer <strong>and</strong> Wagstaff 1993). This finding was frequently attributed to some<br />

contextual characteristics <strong>and</strong> systemic features (Navarro 1999; Gravelle <strong>and</strong> Sutton<br />

2001; van Doorslaer <strong>and</strong> Masseria 2004).<br />

It is, on the other h<strong>and</strong>, true that even if all obstacles (financial <strong>and</strong> non-financial) to<br />

access health care were completely removed, there would be no guarantee for inequalities<br />

in health <strong>and</strong> health care use to be completely removed; i.e., achieving perfectly equal<br />

distribution of health care (Bole <strong>and</strong> Bondeson 1991; McIntyre <strong>and</strong> Mooney 2007). This<br />

is because another reason behind the omnipresent inequalities can be related to alternate<br />

individual behaviour vis-à-vis health <strong>and</strong> health care that might result from disparate<br />

genuine preferences <strong>and</strong> choices (Le Gr<strong>and</strong> 1987). <strong>The</strong>refore, defining <strong>and</strong><br />

operationalising the notion of Horizontal Equity (HE), i.e., equal treatment for equals, 1<br />

without taking into account potential confounding factors related to the individual’s own<br />

characteristics would result in inconsistent findings (Gravelle 2003; Schokkaert <strong>and</strong> van<br />

de Voorde 2004). Indeed, those individual characteristics are known to influence the<br />

preferences of individuals, <strong>and</strong> hence, are reflected in their behaviour in dem<strong>and</strong>ing<br />

health care; over <strong>and</strong> above the additional role played by the intrinsic characteristic of the<br />

health care system in influencing individual dem<strong>and</strong>. Consequently, observed behaviours<br />

can be the direct result of genuine individual preferences rather than an inequality feature<br />

embedded in the system. <strong>The</strong> latter two factors as related to the dem<strong>and</strong> <strong>and</strong> supply sides<br />

of the health care market were usually not taken into account in the current literature on<br />

assessing horizontal inequity in health care dem<strong>and</strong>.<br />

Ideally, one would like to study equity in health care use by taking into account<br />

individual preferences that are explained by utilitarian economic theory (Stiglitz 1982), or<br />

through placing the full empirical analyse in the context of a social welfare maximisation<br />

1<br />

In this context “equals” is defined in terms of “need” exactly, prompting the elaboration of the distinction<br />

between equality <strong>and</strong> equity.

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