Budgets are financial plans that cover specific time periods
Budgets from Hall Jones et al Provides general background on budgets.
Zero-based budgets and benefits & drawbacks Looks in detail at zero budgeting and reviews the advantages and disadvantages of setting budgets.
Variance analysis refers to an analysis of differences between expected or budgeted outcome / amounts / figures (prices, costs, quantities, profit, revenue) and actual outcome / amounts. The analysis examines if the outcome is adverse (A) or favourable (F) and investigates why the differences occurred from the forecasted or budgeted amounts.