for fooa is made on the basis of data on projecte<l population, private consumption ~Kpenaitur e. inco~e e,asticity. aemand function anrt pro­ jected national income. fhe data bases for compatinq food demand function ana income elasticities are the consumption expenditure sur­ veys. The .n3in limitation on the estimation of these parameters ts fn general the unavailabi1ity of lonq time series or income strata not <1etdi1ea enow:)h for cro~s-sectional analysis. lt is af5o of great interest for the planner to have information on the evolution of the terms of trade between ayriculture and the rest of the economy. fhis evolution is inaicatea by the trena of the 3 -4 - ratio .. prices received/prices paid". However., this indiciltor is almost atways restricted to the production ~sp~ct~. i.e~ the pric~s paid refer to the cost af inputs and m~cnines. An accurate estimator of the terms of trade must also include the price paid Dy the farmer as a conswner. This t"nvotv es the computation of specific consum -er price indexes for rural and urban populations. The socio-E:!conomic indicators have the s3me objectives: prepara­ tion of a plan and evaluation of its resufts after i:nplemenLltion .. However. they are by tt"\ei.-nature indicators 0f development rather than inCJicators of qrowth and in general their evolution 'is slower t.han t.he stf""i<:t1y economic incfcato.-s. One can find dO e.xha•Astiv e 1ist of the'.ie i.ndicatcns of rural development in the do-cuments pre-· pared as a follow-up to the World Conference on Agrarian Reform dOd Rural Development {\KARRO).(l) The main concern for these inrJicator s is to measure or assess the acce ~s to ~uol it: service!> ,md a~ni .tie.'>f the avai1abiHty- of manpower., housinq, fraqmentdtion of holdin(_Js, ttl€ -quality of diet,. the access to voca·t i onat education • etc. These in eli·­ cators provide benchmdrks for identifying areas of priorities in rurd! 
**Analysis**
The text appears to be focused on the economic aspects of agriculture and rural development, with a emphasis on the estimation of parameters such as food demand functions and income elasticities. The text also mentions the importance of measuring access to basic services, education, and quality of life in rural areas. These indicators are likely to be used to evaluate the impact of policies and projects on rural development.

**Category**
Agriculture, forestry and fishing, Economic development