text: assume that investment devoted to dlrinking wa ti? and sanitation in reration tototal investment in arr sectors wi.rr follon tbe cross-section rerationship thatprevailed ln 1980. To the extent that countries revise their water and sanitationinvestment policies along the ltnes called for in the General Agsembly resolutionsestablishing the rnternational Drinking water supply and sanitacion Decade and thernternatlonal Development strategy, their investments to provlde safe water andadequate sanieation would be increased far above ttre levels implicit in theaggregate investment revers assumed in the lower-grotrth scenario and even abovethose assumed in the higher-grordth scenario. To reach the Decade goars of safedrinking water and adequate sanitation for alr (100 per cent) by 1990 eourd requirean investment of about $40 bil-lion per year alurlng the lggos, even lrith extensiveuse of less expensive technotogies, compared with est.imates of actual investment of $6 to $9 billion per year in lhe late I9?0s and proposed investments of aboutSI0 billion per year in the first years of the Decade lsee E/C.1/Lgi3/Lt,para. 74). (For an assessment of progress from 1980 to l9g3 and of the actionsbeing taken in connection with che Decade, see the report of the secr eta ry-Genera ron progress in tbe attainment of the goals of the Decade (A/40/LO1-E/L985/49\.',
analysis: The text discusses investment in drinking water and sanitation, which is a critical aspect of economic development, health, and environmental sustainability. The language used is formal and technical, suggesting a focus on international development and policy-making. The reference to the General Assembly resolutions and the International Drinking Water Supply and Sanitation Decade further supports the idea that this text is related to international development and global issues.