RBNZ Chief Economist Conway says the full impacts of the United States' tariffs are uncertain and the central bank is constantly monitoring the data.He notes that uncertainty over tariffs is likely to dampen business investment and reduce inflation in New Zealand.Conway also says the tariffs will lead to a weaker global economy and softer global demand.Q2 CPI data were very much in line with RBNZ expectationsHe sees scope to lower rates further if inflation continues to moderateEarly data reads suggest NZ economic growth slowed in the June quarter This article was written by Eamonn Sheridan at investinglive.com.