All have been looking for the cause, and many think they have discovered it. With some it is "over-production," with others either a "high tariff" or a "tariff not sufficiently high." Some think it due to trusts and combinations, others to improved methods of production, or because the crops are overabundant or not abundant enough. Some ascribe the difficulty to speculation; others, to "strikes." All sorts of insufficient and contradictory causes are assigned for the same general and universal complaint. However inadequate in themselves, they serve to emphasize the universal recognition of a difficulty whose cause without close inquiry is likely to elude detection. But the evil is of such magnitude, it is so widespread and pervasive, that, without a knowledge of its cause, all effort at mitigation of its effects can but add to the confusion and intensify the difficulty. It behooves us, therefore, as we value the prosperity and happiness of our people, to set ourselves diligently to the inquiry: What is the cause of the unrest and discontent now universally prevailing? ONE SYMPTOM COMMON TO ALL INDUSTRIES. In surveying the question broadly, to discover whether there is anything that affects the situation in common from the standpoint of varying occupations, we find one, and only one, uniform and unfailing characteristic; the prices of all commodities and of all property, except in money centers, have fallen, and continue falling. Such a phenomenon as a constant and progressive fall in the general range of prices has always exercised so baleful an influence on the prosperity of mankind that it never fails to arrest attention. History gives evidence of no more prolific source of human misery than a persistent and long continued fall in the general range of prices. But, although exercising so pernicious an influence, it is not itself a cause, but an effect. When a fall of prices is found operating, not on one article or class of articles alone, but on the products of all industries; when found to be not confined to any one climate, country, or race of people, but to diffuse itself over the civilized world; when it is found not to be a characteristic of any one year, but to go on progressively for a series of years, it becomes manifest that it does not and can not arise from local, temporary or subordinate causes, but must have its genesis and development in some principle of universal application. WHAT PRODUCES A GENERAL FALL OF PRICES?