Which Non-Stationary Time Series Has a Constant Mean but Non-Constant

question 9

Multiple Choice

Which non-stationary time series has a constant mean but non-constant variance?

• A)random walk
• B)AR(1)with linear trent
• C)random walk with drift
• D)deterministic trend

Understand the dynamic nature of business models and the importance of continuous innovation.

Comprehend the concept of business ecosystems and the synergy it generates.

Recognize the role of managers at all levels in strategic management and entrepreneurship.

Identify different modes of strategy making and their characteristics.

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Definitions:

Fixed Costs

Expenses that do not change with the level of goods or services produced by the business, such as rent, salaries, and insurance premiums.

Break-even Point

The point at which total income matches total outgoings, leading to neither a profit nor a loss.

Sales Dollars

This term represents the total revenue generated from the sales of goods or services, expressed in currency units.

Cost Structure

The relative proportion of fixed, variable, and mixed costs in an organization.