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  2. Transaction cost analysis - Wikipedia

    en.wikipedia.org/wiki/Transaction_cost_analysis

    Implementation shortfall is a commonly targeted benchmark, which is the sum of all explicit and implicit costs. Sometimes, an opportunity cost of not transacting is factored in. [5] After measurement, costs must be attributed to their underlying causes. Finally, this analysis is used to evaluate performance and monitor future transactions.

  3. Transaction cost - Wikipedia

    en.wikipedia.org/wiki/Transaction_cost

    Transaction cost as a formal theory started in the late 1960s and early 1970s. [13] And refers to the "Costs of Market Transactions" in his seminal work, The Problem of Social Cost (1960). Arguably, transaction cost reasoning became most widely known through Oliver E. Williamson's Transaction Cost Economics. Today, transaction cost economics is ...

  4. Grinold and Kroner Model - Wikipedia

    en.wikipedia.org/wiki/Grinold_and_Kroner_Model

    The model states that: [] = + + + (/) [1]Where [] are the expected returns is the dividend in next period (period 1 assuming current t=0); is the current price (price at time 0) is the expected inflation rate

  5. Conformal prediction - Wikipedia

    en.wikipedia.org/wiki/Conformal_prediction

    For example, for a significance level of 0.1, all classes with a p-value of 0.1 or greater are added to the prediction set. Transductive algorithms compute the nonconformity score using all available training data, while inductive algorithms compute it on a subset of the training set.

  6. List of price index formulas - Wikipedia

    en.wikipedia.org/wiki/List_of_price_index_formulas

    The Marshall-Edgeworth index, credited to Marshall (1887) and Edgeworth (1925), [11] is a weighted relative of current period to base period sets of prices. This index uses the arithmetic average of the current and based period quantities for weighting. It is considered a pseudo-superlative formula and is symmetric. [12]

  7. Point of total assumption - Wikipedia

    en.wikipedia.org/wiki/Point_of_total_assumption

    Calculation of Point of Total assumption (the case when EAC exceeds PTA that should be treated as a risk trigger, is shown) The point of total assumption (PTA) is a point on the cost line of the profit-cost curve determined by the contract elements associated with a fixed price plus incentive-Firm Target (FPI) contract above which the seller effectively bears all the costs of a cost overrun.

  8. Total expense ratio - Wikipedia

    en.wikipedia.org/wiki/Total_expense_ratio

    The total expense ratio (TER) is a measure of the total cost of a fund to an investor. Total costs may include various fees (purchase, redemption, auditing) and other expenses. The TER, calculated by dividing the total annual cost by the fund's total assets averaged over that year, is denoted as a percentage. It will normally vary somewhat from ...

  9. Index (statistics) - Wikipedia

    en.wikipedia.org/wiki/Index_(statistics)

    In statistics and research design, an index is a composite statistic – a measure of changes in a representative group of individual data points, or in other words, a compound measure that aggregates multiple indicators. [1] [2] Indices – also known as indexes and composite indicators – summarize and rank specific observations. [2]