# Question: What Is The Difference Between Duration And Work?

## What is maturity duration?

In plain English, “duration” means “length of time” while “maturity” denotes “the extent to which something is full grown.” When bond investors talk about duration it has a very specific meaning: The sensitivity of a bond’s price to changes in interest rates..

## What does duration mean?

1 : continuance in time gradually increase the duration of your workout. 2 : the time during which something exists or lasts were there for the duration of the concert.

## Why do we calculate duration?

Why? Duration measures the time it takes to recover half the present value of all future cash flows from the bond. The discount rate for calculating the present value of the cash flows is the bond’s yield. So as a bond’s price and yield change, so does its duration.

## How do I get rid of question marks in MS Project?

Anyhows, getting rid of these question marks is four clicks away. Hit the green File button, choose Options, then Schedule and remove the checkbox next to “Show that scheduled tasks have estimated durations”. That’s all there is to it.

## How do you calculate duration?

For instance, if an activity was estimated at 80 hours, and you have one person assigned, and that person works eight hours per day, the duration would be (80 / 1 / 8) = 10 days. Likewise, if four people were assigned full time, the duration would be (80 / 4 / 8) = 2.5 days.

## What is duration risk?

Duration risk is the name economists give to the risk associated with the sensitivity of a bond’s price to a one percent change in interest rates. The higher a bond’s duration, the greater its sensitivity to interest rates changes.

## Why can activity duration be different than the estimated work effort?

The effort is the total estimated time for the realization of a task, of an activity. The duration is instead the time interval required for the realization of the task / activity based on the availability of resources and the project calendar.

## How do I fix Duration in MS Project?

How to Change a Task Type in MS Project?Go to Gantt Chart view in MSP.Create a new task named Alpha. … Double click on the row containing the task in the Gantt chart. … Go to “Advanced” tab in the “Task Information” dialog box. … Use the drop down for the “Task Type” to change it to Fixed duration.More items…•

## What does the Macaulay duration tell us?

Macaulay duration is the weighted average of the time to receive the cash flows from a bond. … Macaulay duration tells the weighted average time that a bond needs to be held so that the total present value of the cash flows received is equal to the current market price paid for the bond.

## What is the duration of a project?

Duration is the total time that it takes to complete a project measured in work days, hours or weeks. The duration depends on the availability and capacity of resources. Effort is the number of people hours needed to complete a task, i.e. it’s the actual time that is spent on working on the project.

## What is duration in MS Project?

Data Type Duration Entry Type Calculated or entered. Description The Duration field is the total span of active working time for a task. This is generally the amount of working time from the start to the finish of a task.

## What is optimistic duration?

Optimistic duration, in project management, is an estimate of the shortest duration of activity that takes into consideration the known variables that can influence performance. … The three-point estimate uses other duration estimates which include the pessimistic and most likely estimates.

## How do I set duration in hours in MS Project?

In Project, the default task duration unit is days, but you can change it to be minutes, hours, weeks, or months:Choose File > Options.In the Project Options dialog box, choose Schedule.Under Scheduling options for this project, in the Duration is entered in list, select a duration unit.More items…

## What is the difference between fixed units and fixed duration?

The difference between fixed units and fixed duration can be seen when modifying the units and work for a task. For Fixed units tasks, when revising units and work -duration is recalculated. For fixed duration tasks, when revising units – work is recalculated and when revising work-units are recalculated.

## What is the difference between duration and time?

Duration refers to the length of time or the time taken to complete a task. Elapsed time is the total amount of time that passes between start of an activity and end of the activity.