<prompt> Translate the following text to SwahiliResearch suggests that for each additional dollar of saving, perhaps one-third is used to increase net foreign investment and two-thirds is used to increase domestic investment.  <response>: Utafiti unaonyesha kwamba kwa kila dola ya ziada ya akiba, labda theluthi moja hutumiwa kuongeza uwekezaji wa nje wa usawa na theluthi mbili hutumiwa kuongeza uwekezaji wa ndani. 