31. The diffusion index for September was an 8. 32. The diffusion index are measures of sentiment. 33. The most closely watched component of the survey, major manufacturers diffusion index , came in at negative 3. 34. The Economic Planning Agency reports its diffusion index of economic indicators for October at the same time. 35. The coincident diffusion index was at 100, compared to 72 . 7 in December, the agency said. 36. The Richmond Fed survey uses diffusion indexes . 37. The diffusion index for September was 8. 38. The diffusion index measures the percentage of major manufacturers seeing conditions improve minus the percentage seeing conditions worsen. 39. The diffusion index is calculated by subtracting the percentage of optimistic responses from the percentage of pessimistic responses. 40. The coincident diffusion index , which suggests the current economic state, was a perfect 100 for the second month.
