<prompt> Translate the following text to EnglishKatika sehemu ya 1, wataalamu wa uchumi kwa ujumla wanakubaliana kwamba vipimo vya utajiri vinavyoonyesha mabadiliko katika thamani ya mali zilizopo ni muhimu kwa kupima fedha za kaya za mtu binafsi na maandalizi ya kustaafu.  <response>: in section 1, economists generally agree that wealth-based measures that reflect changes in the value of existing assets are useful for gauging individual households finances and retirement preparations. 